Contactor moving contact module, contactor moving contact assembly and contactor

Abstract

The utility model discloses a contactor moving contact module, a contactor moving contact assembly and a contactor. The contactor moving contact module comprises a plurality of moving contacts which are arranged side by side in the transverse direction. Each moving contact comprises: a moving terminal having two ends opposite in the longitudinal direction and a front surface and a back surface opposite in the height direction; and the two movable contacts are respectively formed on the front surfaces of the two ends of the movable terminal. The moving contact points at the two ends of the plurality of moving contacts are suitable for being electrically contacted with the static contact points of the two static contacts at the same time so as to be electrically connected with the two static contacts. In the utility model, the contactor comprises a plurality of moving contacts which are arranged side by side, and two ends of each moving contact are respectively provided with a moving contact. Therefore, according to the utility model, the current flowing through each movable contact can be reduced, so that the heating and the electric repulsive force can be reduced, and the short-circuit current resistance of the contactor is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a contactor movable contact module, including the contactor movable contact module's contactor movable contact subassembly and including the contactor of the contactor movable contact subassembly. BACKGROUND

[0002] In the prior art, the movable contact in the high-voltage direct-current contactor is generally single, and the single movable contact carries all load currents. Since the single movable contact has only two movable contact points, the current flowing through each movable contact point is large. In the case of large current, the movable contact point generates more heat, and the movable contact point is easily fused to the static contact point. Under short-circuit current, a large electric repulsion force is generated, which easily causes the movable contact point and the static contact point to accidentally separate. SUMMARY

[0003] The utility model aims at solving at least one aspect of the above problems and defects existing in the prior art.

[0004] According to one aspect of the utility model, a contactor movable contact module is provided. The contactor movable contact module comprises: a plurality of movable contacts arranged side by side in the transverse direction. Each movable contact comprises: a movable terminal having two ends opposite in the longitudinal direction and a front face and a back face opposite in the height direction; and two movable contact points respectively formed on the front face of the two ends of the movable terminal. The movable contact points of the two ends of the plurality of movable contacts are adapted to be electrically contacted with the static contact points of two static contacts respectively, so as to electrically connect the two static contacts.

[0005] According to one exemplary embodiment of the utility model, the contactor movable contact module further comprises: a support seat in the shape of U, comprising a bottom wall and a pair of side walls. The movable terminals of the plurality of movable contacts are assembled in the support seat, the bottom wall of the support seat is supported on the back faces of the plurality of movable terminals, and the pair of side walls of the support seat are respectively abutted on the side faces of the two outermost movable terminals.

[0006] According to another exemplary embodiment of the utility model, a positioning protrusion is formed on the bottom wall of the support seat, and a positioning groove is formed on the back face of the plurality of movable terminals, and the positioning protrusion is positioned into the positioning groove.

[0007] According to another exemplary embodiment of the utility model, a plurality of positioning protrusions are formed on the bottom wall of the support seat, and a positioning groove is respectively formed on the back face of the plurality of movable terminals, and the plurality of positioning protrusions are respectively positioned into the positioning grooves of the plurality of movable terminals.

[0008] According to another exemplary embodiment of the present application, the contactor movable contact module further comprises: a spring sheet assembled to the back surface of the movable terminals of the plurality of movable contacts.

[0009] According to another exemplary embodiment of the present application, the back surface of both ends of the movable terminal is formed with a protrusion, the first and second cantilever arms of the spring sheet are respectively abutted on the protrusions of both ends of the movable terminal, and a predetermined gap is formed between the middle plate of the spring sheet and the movable terminal.

[0010] According to another exemplary embodiment of the present application, the spring sheet is an integral piece.

[0011] According to another exemplary embodiment of the present application, the contactor movable contact module further comprises: a support seat in the shape of U, comprising a bottom wall and a pair of side walls.

[0012] According to another exemplary embodiment of the present application, a plurality of elastic fingers are formed on both sides of the middle plate of the spring sheet, and the bottom wall of the support seat is clamped between the elastic fingers on both sides of the middle plate.

[0013] According to another exemplary embodiment of the present application, the contactor movable contact module further comprises: a connecting rod passing through the plurality of movable contacts arranged side by side along the transverse direction, and both ends of the connecting rod are respectively fixed to the pair of side walls of the support seat.

[0014] According to another exemplary embodiment of the present application, a through hole is formed on both the plurality of movable terminals and the pair of side walls of the support seat to allow the connecting rod to pass through, and both ends of the connecting rod are bent (including but not limited to the bending fixing mode) and abutted on the outside of the pair of side walls of the support seat.

[0015] According to another aspect of the present application, a contactor movable contact assembly is provided. The contactor movable contact assembly comprises: an insulating base; a limiting frame fixed above the insulating base; the aforementioned contactor movable contact module movably installed in the limiting frame; a spring compressed between the insulating base and the contactor movable contact module, so that the contactor movable contact module can float relative to the insulating base; and a drive shaft fixed below the insulating base, the insulating base electrically isolates the limiting frame, the spring and the drive shaft from each other.

[0016] According to an exemplary embodiment of the present application, the insulating base is injection molded on the lower end of the limiting frame and the upper end of the drive shaft, so that the insulating base, the limiting frame and the drive shaft become an integral piece.

[0017] According to another exemplary embodiment of the present application, the contactor movable contact module comprises a support base, a first positioning groove is formed on the bottom surface of the support base, a second positioning groove is formed on the top surface of the insulating base, and the two ends of the spring are respectively positioned in the first positioning groove and the second positioning groove.

[0018] According to another aspect of the present application, a contactor is provided. The contactor comprises: an inner housing defining an arc extinguishing chamber; two static contacts fixed to the inner housing and having static contact points located in the arc extinguishing chamber; and the aforementioned contactor movable contact assembly movably installed in the arc extinguishing chamber and movable between a closed position and an open position. When the contactor movable contact assembly is moved to the closed position, the dynamic contact points at the two ends of the plurality of dynamic contacts are in electrical contact with the static contact points of the two static contacts at the same time, so as to electrically connect the two static contacts; when the contactor movable contact assembly is moved to the open position, the dynamic contact points at the two ends of the plurality of dynamic contacts are separated from the static contact points of the two static contacts.

[0019] According to an exemplary embodiment of the present application, the contactor further comprises: an outer housing, the inner housing is installed in the outer housing; and an electromagnetic drive assembly installed in the outer housing and located below the inner housing. The electromagnetic drive assembly is adapted to exert an electromagnetic driving force on the drive shaft of the contactor movable contact assembly to drive the contactor movable contact assembly to move from the open position to the closed position.

[0020] According to another exemplary embodiment of the present application, the contactor further comprises: a reset spring arranged in the electromagnetic drive assembly and adapted to exert an elastic reset force on the drive shaft. When the electromagnetic drive assembly loses power, the electromagnetic driving force disappears, and the drive shaft is reset from the closed position to the open position under the action of the reset spring.

[0021] In the foregoing various exemplary embodiments according to the present application, the contactor includes a plurality of movable contacts arranged side by side, each movable contact having one movable contact point at each end. Thus, the present application can reduce the current flowing through each movable contact, thereby reducing heat generation and repulsive force, and improving the ability of the contactor to withstand short-circuit current.

[0022] Other objects and advantages of the present application will become apparent and help to understand the present application from the following description of the application with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 Fig. 1 shows a perspective view of a contactor movable contact module according to an exemplary first embodiment of the present application;

[0024] Figure 2 Fig. 2 shows an exploded view of the contactor movable contact module of Fig. 1 as viewed from the top;

[0025] Figure 3 Fig. 3 shows an exploded view of the contactor movable contact module of Fig. 1 as viewed from the bottom;

[0026] Figure 4 Fig. 4 shows a perspective view of a plurality of movable contacts of the contactor movable contact module according to the exemplary first embodiment of the present application;

[0027] Figure 5 Fig. 5 shows a perspective view of a contactor movable contact assembly according to the exemplary first embodiment of the present application;

[0028] Figure 6 Fig. 6 shows an exploded view of the contactor movable contact assembly of Fig. 5;

[0029] Figure 7 Fig. 7 shows a plan view of the contactor movable contact assembly and two stationary contacts according to the exemplary first embodiment of the present application, wherein the contactor movable contact assembly is in an open position;

[0030] Figure 8 Fig. 8 shows a plan view of the contactor movable contact assembly and two stationary contacts according to the exemplary first embodiment of the present application, wherein the contactor movable contact assembly is in a closed position;

[0031] Figure 9 Fig. 9 shows a perspective view of a contactor movable contact module according to an exemplary second embodiment of the present application;

[0032] Figure 10 shows an exploded view from the top of a contactor moving contact module according to an exemplary second embodiment of the present application;

[0033] Figure 11 shows an exploded view from the bottom of a contactor moving contact module according to an exemplary second embodiment of the present application;

[0034] Figure 12 shows a perspective view of a plurality of moving contacts of a contactor moving contact module according to an exemplary second embodiment of the present application;

[0035] Figure 13 shows a perspective view of a contactor moving contact assembly according to an exemplary second embodiment of the present application;

[0036] Figure 14 shows a perspective view from the top of a contactor moving contact module according to an exemplary third embodiment of the present application;

[0037] Figure 15 shows a perspective view from the bottom of a contactor moving contact module according to an exemplary third embodiment of the present application;

[0038] Figure 16 shows an exploded view from the bottom of a contactor moving contact module according to an exemplary third embodiment of the present application;

[0039] Figure 17 shows a perspective view of a contactor moving contact assembly according to an exemplary third embodiment of the present application. DETAILED DESCRIPTION

[0040] The technical solutions of the present application will be further described in detail below with reference to the embodiments and in conjunction with the drawings. In the description, identical or similar reference numerals indicate identical or similar components. The following description of the embodiments of the present application with reference to the drawings is intended to explain the general inventive concept of the present application and should not be understood as a limitation of the present application.

[0041] In addition, in the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the present disclosure. However, it will be apparent to one skilled in the art that one or more embodiments can be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form to avoid obscuring the accompanying drawings.

[0042] According to one general technical concept of the present application, a contactor movable contact module is provided. The contactor movable contact module comprises: a plurality of movable contacts arranged side by side in a transverse direction. Each movable contact comprises: a movable terminal having two ends opposite in a longitudinal direction and a front face and a back face opposite in a height direction; and two movable contact points respectively formed on the front face of the two ends of the movable terminal. The movable contact points of the two ends of the plurality of movable contacts are adapted to be in electrical contact with the static contact points of the two static contacts respectively at the same time, so as to electrically connect the two static contacts.

[0043] According to another general technical concept of the present application, a contactor movable contact assembly is provided. The contactor movable contact assembly comprises: an insulating base; a limiting frame fixed above the insulating base; the aforementioned contactor movable contact module movably mounted in the limiting frame; a spring compressed between the insulating base and the contactor movable contact module, so that the contactor movable contact module can float relative to the insulating base; and a drive shaft fixed below the insulating base, the insulating base electrically isolates the limiting frame, the spring and the drive shaft from each other.

[0044] According to another general technical concept of the present application, a contactor is provided. The contactor comprises: an inner housing defining an arc extinguishing chamber; two static contacts fixed to the inner housing and having static contact points located in the arc extinguishing chamber; and the aforementioned contactor movable contact assembly movably mounted in the arc extinguishing chamber and movable between a closed position and an open position. When the contactor movable contact assembly is moved to the closed position, the movable contact points of the two ends of the plurality of movable contacts are in electrical contact with the static contact points of the two static contacts respectively at the same time, so as to electrically connect the two static contacts; when the contactor movable contact assembly is moved to the open position, the movable contact points of the two ends of the plurality of movable contacts are separated from the static contact points of the two static contacts.

[0045] First embodiment

[0046] Figures 1 to 8 A first embodiment of the present application is shown. Among them, Figure 1 A perspective view of a contactor movable contact module 1 according to one exemplary first embodiment of the present application is shown; Figure 2 An exploded view of a contactor movable contact module 1 according to one exemplary first embodiment of the present application is shown when viewed from the top; Figure 3 An exploded view of a contactor movable contact module 1 according to one exemplary first embodiment of the present application is shown when viewed from the bottom; Figure 4 A perspective view of a plurality of movable contacts of a contactor movable contact module 1 according to one exemplary first embodiment of the present application is shown; Figure 5This diagram shows a perspective view of a contactor moving contact assembly according to an exemplary first embodiment of the present invention. Figure 6 This diagram shows an exploded view of a contactor moving contact assembly according to an exemplary first embodiment of the present invention. Figure 7 This diagram shows a plan view of a contactor moving contact assembly and two stationary contacts 60 according to an exemplary first embodiment of the present invention, wherein the contactor moving contact assembly is in the open position; Figure 8 This diagram shows a plan view of a contactor moving contact assembly and two stationary contacts 60 according to an exemplary first embodiment of the present invention, wherein the contactor moving contact assembly is in the closed position.

[0047] like Figures 1 to 8 As shown, in an exemplary embodiment of this utility model, a contactor moving contact module 1 is disclosed. The contactor moving contact module 1 includes a plurality of moving contacts 10. The plurality of moving contacts 10 are arranged side-by-side in the transverse X direction. Each moving contact 10 includes: a moving terminal 100 and two moving contacts 101. The moving terminal 100 has two ends opposite each other in the longitudinal Y direction and a front and a back side opposite each other in the height Z direction. The two moving contacts 101 are respectively formed on the front sides of the two ends of the moving terminal 100. The moving contacts 101 at the two ends of the plurality of moving contacts 10 are adapted to simultaneously make electrical contact with the stationary contacts 601 of two stationary contacts 60, respectively, to electrically connect the two stationary contacts 60.

[0048] like Figures 1 to 8 As shown in the illustrated embodiment, the contactor moving contact module 1 includes two moving contacts 10 arranged side by side. However, the present invention is not limited thereto, and the contactor moving contact module 1 may also include three, four or more moving contacts 10 arranged side by side.

[0049] like Figures 1 to 8 As shown in the illustrated embodiment, the contactor moving contact module 1 further includes a support base 12, which is U-shaped and includes a bottom wall 120 and a pair of side walls 121. The moving terminals 100 of a plurality of moving contacts 10 are assembled in the support base 12. The bottom wall 120 of the support base 12 supports the back surfaces of the plurality of moving terminals 100, and the pair of side walls 121 of the support base 12 abut against the sides of the two outermost moving terminals 100, respectively.

[0050] like Figures 1 to 8 As shown in the illustrated embodiment, a positioning protrusion 122 is formed on the bottom wall 120 of the support base 12, and a positioning groove 102 is formed on the back of the plurality of moving terminals 100, with the positioning protrusion 122 positioned in the positioning groove 102.

[0051] In another embodiment of the present application, a plurality of positioning protrusions 122 are formed on the bottom wall 120 of the support base 12, and a plurality of positioning recesses 102 are formed on the back surface of the plurality of movable terminals 100, respectively.

[0052] As shown in Figures 1 to 8 another exemplary embodiment of the present application, a contactor movable contact assembly is also disclosed. The contactor movable contact assembly comprises a contactor movable contact module 1, an insulating base 2, a limiting frame 3, a spring 4, and a drive shaft 5. The limiting frame 3 is fixed to the upper side of the insulating base 2. The contactor movable contact module 1 is movably installed into the limiting frame 3. The spring 4 is compressed between the insulating base 2 and the contactor movable contact module 1, so that the contactor movable contact module 1 can float relative to the insulating base 2. The drive shaft 5 is fixed to the lower side of the insulating base 2. The insulating base 2 electrically isolates the limiting frame 3, the spring 4, and the drive shaft 5 from each other.

[0053] As shown in Figures 1 to 8 the illustrated embodiment, the insulating base 2 is injection molded onto the lower end of the limiting frame 3 and the upper end of the drive shaft 5, so that the insulating base 2, the limiting frame 3, and the drive shaft 5 become an integral piece.

[0054] As shown in Figures 1 to 8 the illustrated embodiment, the contactor movable contact module 1 comprises a support base 12, a first positioning recess 123 is formed on the bottom surface of the support base 12, and a second positioning recess 22 is formed on the top surface of the insulating base 2. The two ends of the spring 4 are positioned in the first positioning recess 123 and the second positioning recess 22, respectively.

[0055] As shown in Figures 1 to 8 another exemplary embodiment of the present application, a contactor is also disclosed. The contactor comprises an inner housing (not shown), two static contacts 60, and a contactor movable contact assembly. The inner housing defines an arc chamber (not shown). The two static contacts 60 are fixed to the inner housing and their static contact points 601 are located in the arc chamber. The contactor movable contact assembly is movably installed into the arc chamber and can move between a closed position and an open position. As shown in Figure 8 when the contactor movable contact assembly is moved to the closed position, the two ends of the plurality of movable terminals 10 are electrically contacted with the static contact points 601 of the two static contacts 60 at the same time, so as to electrically connect the two static contacts 60. As shown in Figure 7 when the contactor movable contact assembly is moved to the open position, the two ends of the plurality of movable terminals 10 are separated from the static contact points 601 of the two static contacts 60.

[0056] As shown in Figures 1 to 8As shown, in the illustrated embodiment, the contactor further includes a housing (not shown) and an electromagnetic drive assembly (not shown). An inner housing is mounted within the housing. The electromagnetic drive assembly is mounted within the housing and located below the inner housing. The electromagnetic drive assembly is adapted to apply an electromagnetic driving force to the drive shaft 5 of the contactor moving contact assembly to drive the contactor moving contact assembly from an open position to a closed position.

[0057] like Figures 1 to 8 As shown in the illustrated embodiment, the contactor further includes a return spring (not shown), which is disposed in the electromagnetic drive assembly and adapted to apply an elastic return force to the drive shaft 5. When the electromagnetic drive assembly is de-energized, the electromagnetic drive force applied to the drive shaft 5 disappears, and the drive shaft 5 returns to the open position from the closed position under the action of the return spring.

[0058] Second embodiment

[0059] Figures 9 to 13 The second embodiment of this utility model is shown. In this embodiment, Figure 9 This diagram shows a perspective view of a contactor moving contact module 1 according to an exemplary second embodiment of the present invention; Figure 10 The diagram shows an exploded view from top of a contactor moving contact module 1 according to an exemplary second embodiment of the present invention. Figure 11 This is an exploded view of the contactor moving contact module 1 according to an exemplary second embodiment of the present invention, viewed from the bottom. Figure 12 This is a perspective view of a plurality of moving contacts of a contactor moving contact module 1 according to an exemplary second embodiment of the present invention; Figure 13 This diagram shows a perspective view of a contactor moving contact assembly according to an exemplary second embodiment of the present invention.

[0060] like Figures 9 to 13 As shown, in an exemplary embodiment of this utility model, a contactor moving contact module 1 is disclosed. The contactor moving contact module 1 includes a plurality of moving contacts 10. The plurality of moving contacts 10 are arranged side-by-side in the transverse X direction. Each moving contact 10 includes: a moving terminal 100 and two moving contacts 101. The moving terminal 100 has two ends opposite each other in the longitudinal Y direction and a front and a back side opposite each other in the height Z direction. The two moving contacts 101 are respectively formed on the front sides of the two ends of the moving terminal 100. The moving contacts 101 at the two ends of the plurality of moving contacts 10 are adapted to simultaneously make electrical contact with the stationary contacts 601 of two stationary contacts 60, respectively, to electrically connect the two stationary contacts 60.

[0061] like Figures 9 to 13As shown in the illustrated embodiment, the contactor moving contact module 1 includes five moving contacts 10 arranged side by side. However, the present invention is not limited to this, and the contactor moving contact module 1 may also include two, three, four, six or more moving contacts 10 arranged side by side.

[0062] like Figures 9 to 13 As shown in the illustrated embodiment, the contactor moving contact module 1 further includes a spring 11. The spring 11 is assembled onto the back side of the moving terminals 100 of the plurality of moving contacts 10. The spring 11 includes: a middle plate portion 113, a row of first cantilever arms 111, and a row of second cantilever arms 112. The middle plate portion 113 has two opposing sides in the longitudinal Y direction. The row of first cantilever arms 111 is connected to one side of the middle plate portion 113 and is used to support the back side of one end of the plurality of moving terminals 100 arranged side-by-side. The row of second cantilever arms 112 is connected to the other side of the middle plate portion 113 and is used to support the back side of the other end of the plurality of moving terminals 100 arranged side-by-side. In the illustrated embodiment, the spring 11 ensures that the moving contacts 101 of the plurality of moving contacts 10 are simultaneously electrically contacted with the stationary contacts 601 of the two stationary contacts 60.

[0063] like Figures 9 to 13 As shown in the illustrated embodiment, protrusions 103 are formed on the back surfaces of both ends of the movable terminal 100, and the first cantilever 111 and the second cantilever 112 of the spring piece 11 abut against the protrusions 103 at both ends of the movable terminal 100. A predetermined gap exists between the intermediate plate portion 113 of the spring piece 11 and the movable terminal 100.

[0064] like Figures 9 to 13 As shown in the illustrated embodiment, the spring piece 11 is a one-piece molded part, for example, it can be a one-piece stamped molded part.

[0065] like Figures 9 to 13 As shown in the illustrated embodiment, the contactor moving contact module 1 further includes a support base 12. The support base 12 is U-shaped and includes a bottom wall 120 and a pair of side walls 121. Multiple moving terminals 100 and spring contacts 11 are assembled in the support base 12. The bottom wall 120 of the support base 12 supports the bottom surface of the intermediate plate portion 113 of the spring contact 11, and the pair of side walls 121 of the support base 12 abut against the sides of the two outermost moving terminals 100.

[0066] like Figures 9 to 13 As shown in the illustrated embodiment, the contactor moving contact module 1 further includes a connecting rod 13. The connecting rod 13 passes through a plurality of moving terminals 100 arranged side-by-side along a transverse direction X. Both ends of the connecting rod 13 are respectively fixed to a pair of sidewalls 121 of the support base 12.

[0067] like Figures 9 to 13As shown in the illustrated embodiment, through holes 130 are formed on a pair of sidewalls 121 of the plurality of moving terminals 100 and the support base 12, respectively, allowing the connecting rod 13 to pass through. The two ends of the connecting rod 13 are bent and abut against the outer sides of the pair of sidewalls 121 of the support base 12. However, the present invention is not limited to this, and the two ends of the connecting rod 13 can also be fixed to the pair of sidewalls 121 of the support base 12 by welding, pressing or riveting.

[0068] like Figures 9 to 13 As shown, in another exemplary embodiment of this utility model, a contactor moving contact assembly is also disclosed. The contactor moving contact assembly includes: a contactor moving contact module 1, an insulating base 2, a limiting bracket 3, a spring 4, and a drive shaft 5. The limiting bracket 3 is fixed above the insulating base 2. The contactor moving contact module 1 is movably mounted in the limiting bracket 3. The spring 4 is compressed between the insulating base 2 and the contactor moving contact module 1, allowing the contactor moving contact module 1 to float relative to the insulating base 2. The drive shaft 5 is fixed below the insulating base 2. The insulating base 2 electrically isolates the limiting bracket 3, the spring 4, and the drive shaft 5 from each other.

[0069] like Figures 9 to 13 As shown in the illustrated embodiment, the insulating seat 2 is injection molded onto the lower end of the limiting frame 3 and the upper end of the drive shaft 5, making the insulating seat 2, the limiting frame 3 and the drive shaft 5 a single piece.

[0070] like Figures 9 to 13 As shown in the illustrated embodiment, the contactor moving contact module 1 includes a support base 12, a first positioning groove 123 is formed on the bottom surface of the support base 12, and a second positioning groove 22 is formed on the top surface of the insulating base 2. The two ends of the spring 4 are respectively positioned in the first positioning groove 123 and the second positioning groove 22.

[0071] like Figure 8 As shown, in another exemplary embodiment of this utility model, a contactor is also disclosed. The contactor includes: an inner housing (not shown), two stationary contacts 60, and a contactor moving contact assembly. The inner housing defines an arc-extinguishing chamber (not shown). The two stationary contacts 60 are fixed to the inner housing, and their stationary contacts 601 are located within the arc-extinguishing chamber. The contactor moving contact assembly is movably mounted within the arc-extinguishing chamber and is movable between a closed position and an open position. See also Figure 7 As shown, when the contactor moving contact assembly is moved to the closed position, the moving contacts 101 at both ends of the plurality of moving contacts 10 simultaneously make electrical contact with the stationary contacts 601 of the two stationary contacts 60, thereby electrically connecting the two stationary contacts 60. See also Figures 9 to 13 As shown, when the contactor moving contact assembly is moved to the open position, the moving contacts 101 at both ends of the plurality of moving contacts 10 separate from the stationary contacts 601 of the two stationary contacts 60.

[0072] As Figures 9 to 13 shown, in the illustrated embodiment, the contactor further comprises an outer housing (not shown) and an electromagnetic drive assembly (not shown). The inner housing is mounted into the outer housing. The electromagnetic drive assembly is mounted into the outer housing and below the inner housing. The electromagnetic drive assembly is adapted to exert an electromagnetic drive force on the drive shaft 5 of the contactor movable contact assembly to drive the contactor movable contact assembly to move from the open position to the closed position.

[0073] As Third embodiment shown, in the illustrated embodiment, the contactor further comprises a reset spring (not shown) disposed in the electromagnetic drive assembly and adapted to exert an elastic reset force on the drive shaft 5. When the electromagnetic drive assembly is de-energized, the electromagnetic drive force exerted on the drive shaft 5 disappears, and the drive shaft 5 is reset from the closed position to the open position under the action of the reset spring.

[0074] Figures 14 to 17

[0075] Figure 14 A third embodiment of the present application is shown. In this embodiment, Figure 15 A perspective view of the contactor movable contact module 1 from the top is shown according to an exemplary third embodiment of the present application; Figure 16 A perspective view of the contactor movable contact module 1 from the bottom is shown according to an exemplary third embodiment of the present application; Figure 17 An exploded view of the contactor movable contact module 1 from the bottom is shown according to an exemplary third embodiment of the present application; Figures 14 to 17 A perspective view of the contactor movable contact assembly is shown according to an exemplary third embodiment of the present application.

[0076] As Figures 14 to 17 shown, in an exemplary embodiment of the present application, a contactor movable contact module 1 is disclosed. The contactor movable contact module 1 comprises a plurality of movable contacts 10. The plurality of movable contacts 10 are arranged side by side in the lateral direction X. Each movable contact 10 comprises a movable terminal 100 and two movable contact points 101. The movable terminal 100 has two ends opposite in the longitudinal direction Y and a front face and a back face opposite in the height direction Z. The two movable contact points 101 are formed on the front face of the two ends of the movable terminal 100, respectively. The movable contact points 101 of the two ends of the plurality of movable contacts 10 are adapted to make electrical contact with the stationary contact points 601 of the two stationary contacts 60, respectively, at the same time, to electrically connect the two stationary contacts 60.

[0077] As Figures 14 to 17As shown in the illustrated embodiment, the contactor moving contact module 1 includes three moving contacts 10 arranged side by side. However, the present invention is not limited to this, and the contactor moving contact module 1 may also include two, four, five, six or more moving contacts 10 arranged side by side.

[0078] like Figures 14 to 17 As shown in the illustrated embodiment, the contactor moving contact module 1 further includes a spring 11. The spring 11 is assembled onto the back side of the moving terminals 100 of the plurality of moving contacts 10. The spring 11 includes: a middle plate portion 113, a row of first cantilever arms 111, and a row of second cantilever arms 112. The middle plate portion 113 has two opposing sides in the longitudinal Y direction. The row of first cantilever arms 111 is connected to one side of the middle plate portion 113 and is used to support the back side of one end of the plurality of moving terminals 100 arranged side-by-side. The row of second cantilever arms 112 is connected to the other side of the middle plate portion 113 and is used to support the back side of the other end of the plurality of moving terminals 100 arranged side-by-side. In the illustrated embodiment, the spring 11 ensures that the moving contacts 101 of the plurality of moving contacts 10 are simultaneously electrically contacted with the stationary contacts 601 of the two stationary contacts 60.

[0079] like Figures 14 to 17 As shown in the illustrated embodiment, protrusions 103 are formed on the back surfaces of both ends of the movable terminal 100, and the first cantilever 111 and the second cantilever 112 of the spring piece 11 abut against the protrusions 103 at both ends of the movable terminal 100. A predetermined gap exists between the intermediate plate portion 113 of the spring piece 11 and the movable terminal 100.

[0080] like Figures 14 to 17 As shown in the illustrated embodiment, the spring piece 11 is a one-piece molded part, for example, it can be a one-piece stamped molded part.

[0081] like Figures 14 to 17 As shown in the illustrated embodiment, the contactor moving contact module 1 further includes a support base 12. The support base 12 is U-shaped and includes a bottom wall 120 and a pair of side walls 121. Multiple moving terminals 100 and spring contacts 11 are assembled in the support base 12. The bottom wall 120 of the support base 12 supports the bottom surface of the intermediate plate portion 113 of the spring contact 11, and the pair of side walls 121 of the support base 12 abut against the sides of the two outermost moving terminals 100.

[0082] like Figures 14 to 17As shown in the illustrated embodiment, a plurality of elastic fingers 11a are formed on both sides of the intermediate plate portion 113 of the spring piece 11. The bottom wall 120 of the support base 12 has two opposing sides in the longitudinal Y direction. The plurality of elastic fingers 11a on one side of the intermediate plate portion 113 abut against one side of the bottom wall 120 of the support base 12, and the plurality of elastic fingers 11a on the other side of the intermediate plate portion 113 abut against the other side of the bottom wall 120 of the support base 12. Therefore, in the illustrated embodiment, the bottom wall 120 of the support base 12 is clamped between the elastic fingers 11a on both sides of the intermediate plate portion 113.

[0083] like Figures 14 to 17 As shown in the illustrated embodiment, the contactor moving contact module 1 further includes a connecting rod 13. The connecting rod 13 passes through a plurality of moving terminals 100 arranged side-by-side along a transverse direction X. Both ends of the connecting rod 13 are respectively fixed to a pair of sidewalls 121 of the support base 12.

[0084] like Figures 14 to 17 As shown in the illustrated embodiment, through holes 130 are formed on a pair of sidewalls 121 of the plurality of moving terminals 100 and the support base 12, respectively, allowing the connecting rod 13 to pass through. The two ends of the connecting rod 13 can be welded to a pair of sidewalls 121 of the support base 12 respectively.

[0085] like Figures 14 to 17 As shown, in another exemplary embodiment of this utility model, a contactor moving contact assembly is also disclosed. The contactor moving contact assembly includes: a contactor moving contact module 1, an insulating base 2, a limiting bracket 3, a spring 4, and a drive shaft 5. The limiting bracket 3 is fixed above the insulating base 2. The contactor moving contact module 1 is movably mounted in the limiting bracket 3. The spring 4 is compressed between the insulating base 2 and the contactor moving contact module 1, allowing the contactor moving contact module 1 to float relative to the insulating base 2. The drive shaft 5 is fixed below the insulating base 2. The insulating base 2 electrically isolates the limiting bracket 3, the spring 4, and the drive shaft 5 from each other.

[0086] like Figures 14 to 17 As shown in the illustrated embodiment, the insulating seat 2 is injection molded onto the lower end of the limiting frame 3 and the upper end of the drive shaft 5, making the insulating seat 2, the limiting frame 3 and the drive shaft 5 a single piece.

[0087] like Figure 8 As shown in the illustrated embodiment, the contactor moving contact module 1 includes a support base 12, a first positioning groove 123 is formed on the bottom surface of the support base 12, and a second positioning groove 22 is formed on the top surface of the insulating base 2. The two ends of the spring 4 are respectively positioned in the first positioning groove 123 and the second positioning groove 22.

[0088] like Figure 7As shown, in another exemplary embodiment of this utility model, a contactor is also disclosed. The contactor includes: an inner housing (not shown), two stationary contacts 60, and a contactor moving contact assembly. The inner housing defines an arc-extinguishing chamber (not shown). The two stationary contacts 60 are fixed to the inner housing, and their stationary contacts 601 are located within the arc-extinguishing chamber. The contactor moving contact assembly is movably mounted within the arc-extinguishing chamber and is movable between a closed position and an open position. See also Figures 14 to 17 As shown, when the contactor moving contact assembly is moved to the closed position, the moving contacts 101 at both ends of the plurality of moving contacts 10 simultaneously make electrical contact with the stationary contacts 601 of the two stationary contacts 60, thereby electrically connecting the two stationary contacts 60. See also Figures 14 to 17 As shown, when the contactor moving contact assembly is moved to the open position, the moving contacts 101 at both ends of the plurality of moving contacts 10 separate from the stationary contacts 601 of the two stationary contacts 60.

[0089] like ​ As shown, in the illustrated embodiment, the contactor further includes a housing (not shown) and an electromagnetic drive assembly (not shown). An inner housing is mounted within the housing. The electromagnetic drive assembly is mounted within the housing and located below the inner housing. The electromagnetic drive assembly is adapted to apply an electromagnetic driving force to the drive shaft 5 of the contactor moving contact assembly to drive the contactor moving contact assembly from an open position to a closed position.

[0090] like ​ As shown in the illustrated embodiment, the contactor further includes a return spring (not shown), which is disposed in the electromagnetic drive assembly and adapted to apply an elastic return force to the drive shaft 5. When the electromagnetic drive assembly is de-energized, the electromagnetic drive force applied to the drive shaft 5 disappears, and the drive shaft 5 returns to the open position from the closed position under the action of the return spring.

[0091] Those skilled in the art will understand that the embodiments described above are exemplary and can be improved upon. The structures described in the various embodiments can be freely combined without causing structural or principle conflicts, and these changes should fall within the protection scope of this utility model.

[0092] Although the present invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the drawings are intended to illustrate preferred embodiments of the present invention and should not be construed as a limitation thereof.

[0093] While some embodiments of the general concept of this utility model have been shown and described, those skilled in the art will understand that changes may be made to these embodiments without departing from the principles and spirit of the general concept of this utility model, the scope of which is defined by the claims and their equivalents.

[0094] It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. Additionally, any reference signs in the claims should not be construed as limiting the scope of the present application.

Claims

1. A contactor movable contact module, characterized by, Comprising: a plurality of movable contactors (10) arranged side by side in a transverse direction (X), each movable contactor (10) comprising: a movable terminal (100) having two ends opposite in a longitudinal direction (Y) and a front face and a back face opposite in a height direction (Z); and two movable contact points (101) respectively formed on the front face of the two ends of the movable terminal (100), the movable contact points (101) of the two ends of the plurality of movable contactors (10) are adapted to be in electrical contact with the static contact points (601) of the two static contactors (60) respectively, so as to electrically connect the two static contactors (60). Further comprising:

2. The contactor movable contact module of claim 1, wherein, a support seat (12) in the shape of a U, comprising a bottom wall (120) and a pair of side walls (121), the movable terminals (100) of the plurality of movable contactors (10) are assembled in the support seat (12), the bottom wall (120) of the support seat (12) is supported on the back face of the plurality of movable terminals (100), and the pair of side walls (121) of the support seat (12) abut against the side face of the two outermost movable terminals (100) respectively.

3. The contactor movable contactor module according to claim 2, characterized in that: a positioning protrusion (122) is formed on the bottom wall (120) of the support seat (12), and a positioning groove (102) is formed on the back face of the plurality of movable terminals (100), the positioning protrusion (122) is positioned into the positioning groove (102).

4. The contactor movable contactor module according to claim 2, characterized in that: a plurality of positioning protrusions (122) are formed on the bottom wall (120) of the support seat (12), and a positioning groove (102) is respectively formed on the back face of the plurality of movable terminals (100), the plurality of positioning protrusions (122) are respectively positioned into the positioning grooves (102) of the plurality of movable terminals (100). Further comprising:

5. The contactor movable contact module of claim 1, wherein, a spring sheet (11) assembled to the back face of the movable terminals (100) of the plurality of movable contactors (10), the spring sheet (11) comprising: an intermediate plate portion (113) having two sides opposite in the longitudinal direction (Y); a row of first cantilever arms (111) connected to one side of the intermediate plate portion (113) and used for respectively supporting the back face of one end of the plurality of movable terminals (100) arranged side by side; and a row of second cantilever arms (112) connected to the other side of the intermediate plate portion (113) and used for respectively supporting the back face of the other end of the plurality of movable terminals (100) arranged side by side.

6. The contactor movable contactor module according to claim 5, characterized in that: a protrusion (103) is respectively formed on the back face of the two ends of the movable terminal (100), the first cantilever arms (111) and the second cantilever arms (112) of the spring sheet (11) abut against the protrusions (103) of the two ends of the movable terminal (100) respectively, and there is a predetermined gap between the intermediate plate portion (113) of the spring sheet (11) and the movable terminal (100). The spring sheet (11) is an integral molded part.

7. The contactor movable contact module of claim 5, wherein: Further comprising:

8. The contactor movable contact module of claim 5, wherein, a support seat (12) in the shape of a U, comprising a bottom wall (120) and a pair of side walls (121), ​ The plurality of movable terminals (100) and the elastic sheet (11) are assembled in the support seat (12), a bottom wall (120) of the support seat (12) is supported on a bottom surface of a middle plate portion (113) of the elastic sheet (11), and a pair of side walls (121) of the support seat (12) are respectively abutted against side surfaces of the two outermost movable terminals (100).

9. The contactor movable contact module of claim 8, wherein: A plurality of elastic fingers (11a) are respectively formed on both sides of the middle plate portion (113) of the elastic sheet (11), and the bottom wall (120) of the support seat (12) is clamped between the elastic fingers (11a) on both sides of the middle plate portion (113).

10. The contactor movable contact module of claim 2 or 8, wherein, Further comprising: A connecting rod (13) passing through the plurality of movable terminals (100) arranged side by side along the transverse direction (X), Both ends of the connecting rod (13) are respectively fixed to the pair of side walls (121) of the support seat (12).

11. The contactor movable contact module of claim 10, wherein: A through hole (130) allowing the connecting rod (13) to pass through is respectively formed on the plurality of movable terminals (100) and the pair of side walls (121) of the support seat (12), and both ends of the connecting rod (13) are bent and respectively abutted against the outside of the pair of side walls (121) of the support seat (12).

12. The contactor movable contact module of claim 1, wherein: The contactor movable contact module comprises two, three, four or five movable contacts (10) arranged side by side along the transverse direction (X).

13. A contactor movable contact assembly characterized by: Comprising: An insulating seat (2); A limiting frame (3) fixed above the insulating seat (2); The contactor movable contact module (1) of any one of claims 1-12 is movably installed in the limiting frame (3); A spring (4) compressed between the insulating seat (2) and the contactor movable contact module (1) enables the contactor movable contact module (1) to float relative to the insulating seat (2); And A drive shaft (5) fixed below the insulating seat (2), The insulating seat (2) electrically isolates the limiting frame (3), the spring (4) and the drive shaft (5) from each other.

14. The contactor movable contact assembly of claim 13, wherein: The insulating seat (2) is injection molded onto a lower end of the limiting frame (3) and an upper end of the drive shaft (5), so that the insulating seat (2), the limiting frame (3) and the drive shaft (5) are integrated.

15. The contactor movable contact assembly of claim 13, wherein: The contactor movable contact module (1) comprises a support seat (12), a first positioning groove (123) is formed on a bottom surface of the support seat (12), a second positioning groove (22) is formed on a top surface of the insulating seat (2), and both ends of the spring (4) are respectively positioned in the first positioning groove (123) and the second positioning groove (22).

16. A contactor characterized by Comprising: An inner housing defining an arc extinguishing chamber; two stationary contacts (60) fixed to the inner housing and having stationary contact points (601) in the arc-extinguishing chamber; and and the contactor movable contact assembly of any one of claims 13-15 is movably installed in the arc-extinguishing chamber and is movable between a closed position and an open position, when the contactor movable contact assembly is moved to the closed position, the movable contact points (101) of the two ends of the plurality of movable contacts (10) are in electrical contact with the stationary contact points (601) of the two stationary contacts (60) at the same time, so as to electrically connect the two stationary contacts (60), when the contactor movable contact assembly is moved to the open position, the movable contact points (101) of the two ends of the plurality of movable contacts (10) are separated from the stationary contact points (601) of the two stationary contacts (60).

17. The contactor of claim 16, wherein, Further comprising: an outer housing, the inner housing is installed in the outer housing; and an electromagnetic drive assembly installed in the outer housing and below the inner housing, the electromagnetic drive assembly is adapted to exert an electromagnetic driving force on a drive shaft (5) of the contactor movable contact assembly to drive the contactor movable contact assembly to move from the open position to the closed position.

18. The contactor of claim 17, wherein, Further comprising: a reset spring arranged in the electromagnetic drive assembly and adapted to exert an elastic reset force on the drive shaft (5), when the electromagnetic drive assembly loses power, the electromagnetic driving force disappears, and the drive shaft (5) is reset from the closed position to the open position under the action of the reset spring.

Images