Electromagnetic relay

Abstract

The invention relates to an electromagnetic relay comprising: a housing (1); an electromagnet (2) installed in the housing (1); a movable armature (3) arranged in the housing (1) and located on one side of the electromagnet (2); a movable contact arrangement (4) arranged in the housing (1) and connected to the movable armature (3), wherein the movable contact arrangement (4) comprises a first contact plate (41) and a second contact plate (42), wherein the first contact plate (41) has a first movable contact (411) and a second movable contact (412), and wherein the second contact plate (42) has a third movable contact (421) and a fourth movable contact (422);and a fixed contact arrangement (5) which is located partly inside the housing (1) and partly outside the housing (1), wherein the fixed contact arrangement (5) comprises a first terminal plate (51), a second terminal plate (52), a third terminal plate (53) and a fourth terminal plate (54) which are not in contact with each other, wherein the first to fourth terminal plates (51, 52, 53, 54) have a first to fourth fixed contact (511, 512, 513, 514) in the area inside the housing (1).

Description

Technical field The invention relates to the field of relays, in particular an electromagnetic relay, the terminals of which are designed such that parallel circuits are formed when closing, which is advantageous for high current applications. State of the art Documents US 2010 / 0066468A1 and JP 2019-046620A each disclose an electromagnetic relay comprising an electromagnet, a movable armature, and a movable contact assembly connected to the armature. The movable contacts are arranged on a contact plate and are positioned opposite the fixed terminal plates. Electromagnetic relays are a key component that utilizes electromagnetic principles for circuit control. They are primarily used in industrial automation, power systems, communication systems, and other fields. Electromagnetic relays offer high isolation, stability, and multi-channel control capabilities. Particularly in high-current environments requiring frequent switching, they can effectively handle large current loads and ensure that contacts do not fail due to overheating or melting. The design features of electromagnetic relays make them a core component for switching loads, protecting circuits, and ensuring stable system operation. Furthermore, electromagnetic relays are characterized by their simple structure, low cost, and strong interference immunity, thus playing a vital role in various applications, such as...in low-frequency switching control, when switching power loads, etc. Although electromagnetic relay technology is quite mature and widely used, there is still room for further improvements to the existing technology to increase the performance and adaptability of electromagnetic relays to higher technical requirements and application environments, for example, in the current development of similar electronic products and new energy system applications. Electromagnetic relays also need to exhibit higher current handling capacity; for example, they must be able to transmit higher power, i.e., higher current loads, etc. Against this background, the inventor of the present invention has developed a new type of technical solution for electromagnetic relays based on many years of experience and expertise in the technical fields of related industries. Object of the invention The object of the invention is to provide an electromagnetic relay which forms parallel circuits by swapping the fixed terminals in order to reduce contact resistance, and which has good heat dissipation capability, thereby effectively increasing the current-carrying capacity of the electromagnetic relay. Technical solution This objective is achieved by the electromagnetic relay of the invention, which comprises: a housing; an electromagnet installed in the housing; a movable armature arranged in the housing and located on one side of the electromagnet; a movable contact arrangement arranged in the housing and connected to the movable armature, wherein the movable contact arrangement comprises a first contact plate and a second contact plate, the first contact plate having a first movable contact and a second movable contact, and the second contact plate having a third movable contact and a fourth movable contact; and a stationary contact arrangement located partly inside and partly outside the housing, wherein the stationary contact arrangement comprises a first terminal plate, a second terminal plate,comprising a third terminal plate and a fourth terminal plate which are not in contact with each other, wherein the first terminal plate has a first fixed contact in the area inside the housing, wherein the second terminal plate has a second fixed contact in the area inside the housing, wherein the third terminal plate has a third fixed contact in the area inside the housing, and the fourth terminal plate has a fourth fixed contact in the area inside the housing; wherein the area of ​​the first terminal plate and the area of ​​the second terminal plate are arranged outside the housing corresponding to the first contact plate, wherein the area of ​​the third terminal plate and the area of ​​the fourth terminal plate are arranged outside the housing corresponding to the second contact plate, wherein inside the housing the first fixed contact corresponds to the first movable contact,The fourth fixed contact is arranged correspondingly to the fourth movable contact, the third fixed contact correspondingly to the second movable contact, and the second fixed contact correspondingly to the third movable contact, such that the second terminal plate and the third terminal plate are interchanged in the housing, the movable contact arrangement being moved by the movable armature due to the electromagnetic effect of the electromagnet, so that the first movable contact, the second movable contact, the third movable contact, and the fourth movable contact come into contact or out of contact with the first fixed contact, the third fixed contact, the second fixed contact, and the fourth fixed contact. Preferably, the first terminal plate, the second terminal plate, the third terminal plate and the fourth terminal plate form two columns and two rows outside the housing. Preferably, the housing also includes a first insulating element and a second insulating element, wherein the first insulating element has a first receiving space on one side for receiving a part of the third terminal plate, and the other side serves for the placement of the first terminal plate, wherein the second insulating element has a second receiving space on one side for receiving a part of the second terminal plate, and the other side serves for the placement of the fourth terminal plate, so that the first terminal plate, the second terminal plate, the third terminal plate and the fourth terminal plate are insulated from each other. Preferably, the first insulating element comprises a first partition, a second partition, a third partition, a fourth partition, and a fifth partition, wherein the first partition runs parallel to the second partition, the area of ​​the first partition being larger than that of the second partition, the third partition being L-shaped and vertically connected to the first partition and the second partition, the fourth partition having a first bent section and the sides of the fourth partition being connected to the third partition and the second partition, the fifth partition having a second bent section and the sides of the fifth partition being connected to the first partition, the second partition, and the third partition, and wherein the space between the first partition, the second partition, the third partition, the fourth partition, and the fifth partition forming the first receiving space. Preferably, the second insulating element has two parallel sixth partitions and a seventh partition, wherein the seventh partition has a third bending section, wherein the sixth partitions are stepped and have a large area and a small area, wherein the seventh partition is located between the sixth partitions and extends from one junction of the large area and the small area to the opposite junction of the large area and the small area, wherein the small areas form a slot and part of the fourth terminal plate is located in the slot. Preferably, the second insulating element also has a limiting element on the underside that can rest against a mounting surface of the working circuit. Preferably, the first terminal plate, the second terminal plate, the third terminal plate and the fourth terminal plate have at least one recess at their end outside the housing. Preferably, the first terminal plate, the second terminal plate, the third terminal plate and the fourth terminal plate form a column and four rows outside the housing. Preferably, a third insulating element is provided in the housing, which is arranged between the second terminal plate and the third terminal plate, so that the second terminal plate and the third terminal plate are insulated from each other. Preferably, the third insulating element has a first mounting section and a second mounting section, wherein the first mounting section and the second mounting section are insulated relative to each other, wherein the first mounting section has a first receiving area and a second receiving area, wherein the second receiving area extends downwards relative to the first receiving area, wherein the second mounting section is located below the first receiving area of ​​the first mounting section and forms a channel, wherein the first mounting section serves to receive the third terminal plate, and wherein a part of the second terminal plate is located in the second mounting section. In summary, the electromagnetic relay of the present invention is based on the design of fixed terminals and uses a structure consisting of two contact plates and four terminal plates. By swapping these connections during closing, two parallel circuits are formed to reduce contact resistance and thus increase the current-carrying capacity of the electromagnetic relay. Furthermore, the present invention also provides numerous implementation examples, the detailed technical features of which are described in the preceding paragraphs. Brief description of the drawings Fig. 1 is an exploded view of a first embodiment of the electromagnetic relay of the invention, Fig. 2 is a perspective view of the first embodiment of the electromagnetic relay of the invention, Fig. 3A is a view of the first insulating element of the first embodiment of the electromagnetic relay of the invention, Fig. 3B is a view from another perspective of the first insulating element of the first embodiment of the electromagnetic relay of the invention, Fig. 4A is a view of the second insulating element of the first embodiment of the electromagnetic relay of the invention, Fig. 4B is a view from another perspective of the second insulating element of the first embodiment of the electromagnetic relay of the invention, Fig. 5 is a view of another implementation example of the first embodiment of the electromagnetic relay of the invention.Fig. 6 is an exploded view of the second embodiment of the electromagnetic relay of the invention, Fig. 7 is a view of the third insulating element of the second embodiment of the electromagnetic relay of the invention, Fig. 8 is a perspective view of the second embodiment of the electromagnetic relay of the invention, Fig. 9 is a plan view of the second embodiment of the electromagnetic relay of the invention. Detailed description of preferred embodiments To enable average persons skilled in the art to have a clear understanding of the content of the present invention, drawings are attached to the following description. Figures 1 to 4B show an exploded view of the first embodiment of the electromagnetic relay of the invention, a perspective view, a view of the first insulating element, a view of the first insulating element from another perspective, a view of the second insulating element, and a view of the second insulating element from another perspective. The electromagnetic relay 9 of the invention comprises a housing 1, an electromagnet 2, a movable armature 3, a movable contact arrangement 4, and a stationary contact arrangement 5. The housing 1 can have an upper housing part and a lower base, which can be detachably assembled. For clarity, the upper housing part and the lower base of the housing 1 are shown in a separate state in Fig. 1. In Fig. 2, the upper housing part has been omitted for better illustration. The electromagnet 2 is installed in the housing 1. The movable armature 3 is arranged in the housing 1 and is located on one side of the electromagnet 2. The movable contact assembly 4 is arranged in the housing 1 and connected to the movable armature 3. The movable contact assembly 4 comprises a first contact plate 41 and a second contact plate 42. The first contact plate 41 has a first movable contact 411 and a second movable contact 412, and the second contact plate 42 has a third movable contact 421 and a fourth movable contact 422.The fixed contact assembly 5 is located partly inside and partly outside the housing 1. The fixed contact assembly 5 comprises a first terminal plate 51, a second terminal plate 52, a third terminal plate 53, and a fourth terminal plate 54, which are not in contact with each other. The first terminal plate 51 has a first fixed contact 511 in the area inside the housing 1, the second terminal plate 52 has a second fixed contact 521 in the area inside the housing 1, the third terminal plate 53 has a third fixed contact 531 in the area inside the housing 1, and the fourth terminal plate 54 has a fourth fixed contact 541 in the area inside the housing 1.The area of ​​the first terminal plate 51 and the area of ​​the second terminal plate 52 outside the housing 1 are arranged according to the first contact plate 41, and the area of ​​the third terminal plate 53 and the area of ​​the fourth terminal plate 54 outside the housing 1 are arranged according to the second contact plate 42. Inside the housing, the first fixed contact 511 corresponds to the first movable contact 411, the fourth fixed contact 541 corresponds to the fourth movable contact 422, the third fixed contact 531 corresponds to the second movable contact 412, and the second fixed contact 521 corresponds to the third movable contact 421, so that the second terminal plate 52 and the third terminal plate 53 are interchanged inside the housing 1.The movable contact arrangement 4 is moved by the movable armature 3 due to the electromagnetic effect of the electromagnet 2, so that the first movable contact 411, the second movable contact 412, the third movable contact 421, and the fourth movable contact 422 come into contact or out of contact with the first fixed contact 511, the third fixed contact 531, the second fixed contact 521, and the fourth fixed contact 541. In Fig. 1, the first fixed contact 511, the third fixed contact 531, the second fixed contact 521, and the fourth fixed contact 541 are shown only on one side of the first terminal plate 51, the second terminal plate 52, the third terminal plate 53, and the fourth terminal plate 54.In practice, the first fixed contact 511, the third fixed contact 531, the second fixed contact 521 and the fourth fixed contact 541 can penetrate the first terminal plate 51, the second terminal plate 52, the third terminal plate 53 and the fourth terminal plate 54 to facilitate the change of contact state of the first movable contact 411, the second movable contact 412, the third movable contact 421 and the fourth movable contact 422. Accordingly, the aforementioned structural features allow for the formation of parallel circuits during operation. This effectively reduces impedance and prevents overheating, making it suitable for high-current applications. It can also simplify subsequent circuit configurations and improve the user experience. In practical applications, the first terminal 51 and the second terminal 52 are inputted or output from the same source. Similarly, the third terminal 53 and the fourth terminal 54 are also inputted or output from the same source. Therefore, they are suitable for assembling and connecting most working circuits.Furthermore, due to the structural features mentioned above, each parallel circuit has two terminal plates as input and output connections, which can improve heat dissipation and facilitate compliance with relevant safety regulations. In addition, in this embodiment, the first terminal plate 51, the second terminal plate 52, the third terminal plate 53, and the fourth terminal plate 54 form two columns and two rows outside the housing 1, as shown in Fig. 2, to reduce the size of the relay. To improve the insulation reliability between the terminal plates, a first insulating element 6 and a second insulating element 7 are also provided in the housing 1. The first insulating element 6 has a first receiving space 60 on one side for receiving part of the third terminal plate 53, and the other side serves for mounting the first terminal plate 51.The second insulating element 7 has a second receiving space 70 on one side for receiving part of the second terminal plate 52, and the other side serves for the attachment of the fourth terminal plate 54, so that the first terminal plate 51, the second terminal plate 52, the third terminal plate 53, and the fourth terminal plate 54 are insulated from each other. Furthermore, the arrangement of the first insulating element 6 and the second insulating element 7 can also achieve a positioning effect, which helps to improve the ease of assembly of the terminal plates. In one example, the first insulating element 6 and the second insulating element 7 are used as positioning elements for the terminal plates. Moreover, the first insulating element 6 and the second insulating element 7 can preferably be made of plastic to achieve excellent insulation.To achieve the aforementioned assembly state of the first insulating element 6 with the first connection plate 51 and the third connection plate 53, the first insulating element 6, in a specific implementation, has a first partition 61, a second partition 62, a third partition 63, a fourth partition 64, and a fifth partition 65. The first partition 61 runs parallel to the second partition 62. The area of ​​the first partition 61 is larger than that of the second partition 62. The third partition 63 is L-shaped and vertically connected to the first partition 61 and the second partition 62. The fourth partition 64 has a first bending section 641, and the sides of the fourth partition 64 are connected to the third partition 63 and the second partition 62. The fifth partition 65 has a second bending section 651 and the sides of the fifth partition 65 are connected to the first partition 61, the second partition 62 and the third partition 63.The space between the first partition 61, the second partition 62, the third partition 63, the fourth partition 64, and the fifth partition 65 forms the first receiving space 60. To achieve the aforementioned structural assembly state of the second insulating element 7 with the second connection plate 52 and the fourth connection plate 54, the second insulating element 7, in a specific implementation, has two parallel sixth partitions 71 and a seventh partition 72. The seventh partition 72 has a third bending section 721. The sixth partitions 71 are stepped and have a large area 711 and a small area 712. The seventh partition 72 is located between the sixth partitions 71 and extends from one junction of the large area 711 and the small area 712 to the opposite junction of the large area 711 and the small area 712.The small areas 712 form a slot 73 and part of the fourth connection plate 54 is located in the slot 73. To improve the comfort and positioning accuracy when assembling the electromagnetic relay 9 with an external working circuit, the second insulating element 7 also has a limiting element 74 on the underside, which can rest against a mounting surface of the working circuit (not shown). Fig. 5 shows a representation of another implementation example of the first embodiment of the electromagnetic relay of the invention. Preferably, the first terminal plate 51, the second terminal plate 52, the third terminal plate 53 and the fourth terminal plate 54 have at least one recess 519, 529, 539, 549 at their end outside the housing 1 to increase the stability of the assembly with external circuits. Figures 6, 7, 8 to 9 show an exploded view of the second embodiment of the electromagnetic relay of the invention, a view of the third insulating element, a perspective view of the electromagnetic relay, and a plan view of the electromagnetic relay. The structure of a further electromagnetic relay 9 is also shown. In this embodiment, the first terminal plate 51, the second terminal plate 52, the third terminal plate 53, and the fourth terminal plate 54 form a column and four rows outside the housing 1. In Figures 6 and 8, the first fixed contact 511, the third fixed contact 531, the second fixed contact 521, and the fourth fixed contact 541 are shown only on one side of the first terminal plate 51, the second terminal plate 52, the third terminal plate 53, and the fourth terminal plate 54, respectively.In practice, the first fixed contact 511, the third fixed contact 531, the second fixed contact 521, and the fourth fixed contact 541 can penetrate the first terminal plate 51, the second terminal plate 52, the third terminal plate 53, and the fourth terminal plate 54 to facilitate the change in the contact state of the first movable contact 411, the second movable contact 412, the third movable contact 421, and the fourth movable contact 422. Furthermore, the arrows in Fig. 9 indicate the current direction after the circuit is closed by contact between the first fixed contact 511, the third fixed contact 531, the second fixed contact 521, and the fourth fixed contact 541 with the first movable contact 411, the second movable contact 412, the third movable contact 421, and the fourth movable contact 422. Furthermore, a third insulating element 8 is provided in the housing 1, which is arranged between the second terminal plate 52 and the third terminal plate 53, so that the second terminal plate 52 and the third terminal plate 53 are insulated from each other to increase the insulation reliability of the interchanged second terminal plate 52 and third terminal plate 53. It can also be used to position the terminal plates during assembly. The third insulating element 8 can also be made of plastic. Specifically, the third insulating element 8 has a first mounting section 81 and a second mounting section 82. The first mounting section 81 and the second mounting section 82 are insulated relative to each other. The first mounting section 81 has a first receiving area 811 and a second receiving area 812. The second receiving area 812 extends downwards relative to the first receiving area 811.The second mounting section 82 is located below the first receiving area 811 of the first mounting section 81 and forms a channel. The first mounting section 81 serves to receive the third connection plate 53. Part of the second connection plate 52 is located in the second mounting section 82. In summary, the electromagnetic relay of the present invention is based on the design of fixed terminals and uses a structure consisting of two contact plates and four terminal plates. By swapping the terminals during closing, two parallel circuits are formed to reduce contact resistance and thus increase the current-carrying capacity of the electromagnetic relay. This effectively reduces the likelihood of non-compliant operation and the difficulty of assembly through the design of fixed terminals connected to external circuits.Simultaneously, the present invention also incorporates the feature of interchanging the third and second terminal plates, so that when the first to fourth terminal plates are connected to the external circuit, the input and output terminals can be located on the same side. Furthermore, the present invention proposes specific implementations of the electromagnetic relay, such as the terminal plates forming two columns and two rows or one column and four rows outside the housing. To improve the insulation reliability of the terminal plates, a first insulating element and a second insulating element can be provided in the housing, or a third insulating element can be provided in the housing, as in the structure of the second embodiment mentioned above.The present invention provides a more specific description of the structural features of the first, second, or third insulating element. The increased stability of the connection with the external circuit, etc., can be achieved by the limiting element on the underside of the second insulating element or the recesses at the ends of the connection plates. In summary, the invention relates to an electromagnetic relay comprising: a housing 1; an electromagnet 2 installed in the housing 1; a movable armature 3 arranged in the housing 1 and located on one side of the electromagnet 2; a movable contact assembly 4 arranged in the housing 1 and connected to the movable armature 3, wherein the movable contact assembly 4 comprises a first contact plate 41 and a second contact plate 42, the first contact plate 41 having a first movable contact 411 and a second movable contact 412, and the second contact plate 42 having a third movable contact 421 and a fourth movable contact 422; and a stationary contact assembly 5 located partly inside and partly outside the housing 1, wherein the stationary contact assembly 5 comprises a first terminal plate 51, a second terminal plate 52,comprising a third terminal plate 53 and a fourth terminal plate 54 which are not in contact with each other, wherein the first to fourth terminal plates 51, 52, 53, 54 have a first to fourth fixed contact 511, 512, 513, 514 in the area inside the housing 1, wherein the area of ​​the first terminal plate 51 and the area of ​​the second terminal plate 52 are arranged outside the housing 1 corresponding to the first contact plate 41, wherein the area of ​​the third terminal plate 53 and the area of ​​the fourth terminal plate 54 are arranged outside the housing 1 corresponding to the second contact plate 42, wherein inside the housing the first fixed contact 511 corresponds to the first movable contact 411, the fourth fixed contact 541 corresponds to the fourth movable contact 422, the third fixed contact 531 corresponds to the second movable contact 412,and the second fixed contact 521 is arranged correspondingly to the third movable contact 421, such that the second terminal plate 52 and the third terminal plate 53 are interchanged in the housing 1, the movable contact arrangement 4 being moved by the movable armature 3 due to the electromagnetic effect of the electromagnet 2, so that the first movable contact 411, the second movable contact 412, the third movable contact 421 and the fourth movable contact 422 come into contact or out of contact with the first fixed contact 511, the third fixed contact 531, the second fixed contact 521 and the fourth fixed contact 541. This allows parallel circuits to be formed, which is advantageous for high-current applications. Reference symbol list 1 Housing 2 Electromagnet 3 Movable armature 4 Movable contact arrangement 41 First contact plate 411 First movable contact 412 Second movable contact 42 Second contact plate 421 Third movable contact 422 Fourth movable contact 5 Fixed contact arrangement 51 First terminal plate 511 First fixed contact 519 Recess 52 Second terminal plate 521 Second fixed contact 529 Recess 53 Third terminal plate 531 Third fixed contact 539 Recess 54 Fourth terminal plate 541 Fourth fixed contact 549 Recess 6 First insulating element 60 First receiving space 61 First partition 62 Second partition 63 Third partition 64 Fourth partition 641 First bending section 65 Fifth partition 651 Second bending section 7 Second insulating element 70 Second receiving space 71 Sixth partition 711 Large area 712 Small area 72 seventh partition wall 721 third bending section 73 plugging space 74 limiting element 8 third insulating element 81 firstAssembly section 811 first receiving area 812 second receiving area 82 second assembly section 9 electromagnetic relay

Claims

Electromagnetic relay (9), comprising a housing (1); an electromagnet (2) installed in the housing (1); a movable armature (3) arranged in the housing (1) and located on one side of the electromagnet (2); a movable contact assembly (4) arranged in the housing (1) and connected to the movable armature (3), the movable contact assembly (4) comprising a first contact plate (41) and a second contact plate (42), the first contact plate (41) having a first movable contact (411) and a second movable contact (412), and the second contact plate (42) having a third movable contact (421) and a fourth movable contact (422); and a stationary contact assembly (5) located partly inside the housing (1) and partly outside the housing (1), the stationary contact assembly (5) comprising a first terminal plate (51), a second terminal plate (52),comprising a third terminal plate (53) and a fourth terminal plate (54) which are not in contact with each other, wherein the first terminal plate (51) has a first fixed contact (511) in the area inside the housing (1), wherein the second terminal plate (52) has a second fixed contact (521) in the area inside the housing (1), wherein the third terminal plate (53) has a third fixed contact (531) in the area inside the housing (1), and the fourth terminal plate (54) has a fourth fixed contact (541) in the area inside the housing (1); wherein the area of ​​the first terminal plate (51) and the area of ​​the second terminal plate (52) are arranged outside the housing (1) in accordance with the first contact plate (41),wherein the area of ​​the third terminal plate (53) and the area of ​​the fourth terminal plate (54) are arranged outside the housing (1) corresponding to the second contact plate (42), wherein in the housing the first fixed contact (511) is arranged corresponding to the first movable contact (411), the fourth fixed contact (541) corresponding to the fourth movable contact (422), the third fixed contact (531) corresponding to the second movable contact (412), and the second fixed contact (521) corresponding to the third movable contact (421), such that the second terminal plate (52) and the third terminal plate (53) are interchanged in the housing (1), wherein the movable contact arrangement (4) is moved by the movable armature (3) due to the electromagnetic effect of the electromagnet (2), such that the first movable contact (411), the second movable contact (412),the third movable contact (421) and the fourth movable contact (422) come into contact or out of contact with the first fixed contact (511), the third fixed contact (531), the second fixed contact (521) and the fourth fixed contact (541). Electromagnetic relay (9) according to claim 1, characterized in that the first terminal plate (51), the second terminal plate (52), the third terminal plate (53) and the fourth terminal plate (54) form two columns and two rows outside the housing (1). Electromagnetic relay (9) according to claim 2, characterized in that a first insulating element (6) and a second insulating element (7) are also provided in the housing (1), wherein the first insulating element (6) has on one side a first receiving space for receiving a part of the third terminal plate (53), and the other side serves for the placement of the first terminal plate (51), wherein the second insulating element (7) has on one side a second receiving space (70) for receiving a part of the second terminal plate (52), and the other side serves for the placement of the fourth terminal plate (54), so that the first terminal plate (51), the second terminal plate (52), the third terminal plate (53) and the fourth terminal plate (54) are insulated from each other. Electromagnetic relay (9) according to claim 3, characterized in that the first insulating element (6) comprises a first partition (61), a second partition (62), a third partition (63), a fourth partition (64), and a fifth partition (65), wherein the first partition (61) extends parallel to the second partition (62), wherein the area of ​​the first partition (61) is larger than that of the second partition (62), wherein the third partition (63) is L-shaped and vertically connected to the first partition (61) and the second partition (62), wherein the fourth partition (64) has a first bent section (641) and the sides of the fourth partition (64) are connected to the third partition (63) and the second partition (62), wherein the fifth partition (65) has a second bent section (651) and the sides of the fifth partition (65) are connected to the first partition (61), the second partition (62), and the third partition (63). (62) and the third partition wall (63) is connected,and wherein the space between the first partition (61), the second partition (62), the third partition (63), the fourth partition (64) and the fifth partition (65) forms the first reception room (60). Electromagnetic relay (9) according to claim 3, characterized in that the second insulating element (7) has two parallel sixth partitions (71) and a seventh partition (72), wherein the seventh partition (72) has a third bending section (721), wherein the sixth partitions (71) are stepped and have a large area (711) and a small area (712), wherein the seventh partition (72) is located between the sixth partitions (71) and extends from a connection point of the large area (711) and the small area (712) to the opposite connection point of the large area (711) and the small area (712), wherein the small areas (712) form a plug space (73) and a part of the fourth terminal plate (54) is located in the plug space (73). Electromagnetic relay (9) according to claim 5, characterized in that the second insulating element (7) also has a limiting element (74) on the underside which can abut a mounting surface of the working circuit. Electromagnetic relay (9) according to one of claims 1 to 6, characterized in that the first terminal plate (51), the second terminal plate (52), the third terminal plate (53) and the fourth terminal plate (54) have at least one recess (519, 529, 539, 549) at the end outside the housing (1). Electromagnetic relay (9) according to claim 1, characterized in that the first terminal plate (51), the second terminal plate (52), the third terminal plate (53) and the fourth terminal plate (54) form a column and four rows outside the housing (1). Electromagnetic relay (9) according to claim 8, characterized in that a third insulating element (8) is provided in the housing (1), which is arranged between the second terminal plate (52) and the third terminal plate (53), so that the second terminal plate (52) and the third terminal plate (53) are insulated from each other. Electromagnetic relay (9) according to claim 9, characterized in that the third insulating element (8) has a first mounting section (81) and a second mounting section (82), wherein the first mounting section (81) and the second mounting section (82) are insulated relative to each other, wherein the first mounting section (81) has a first receiving area (811) and a second receiving area (812), wherein the second receiving area (812) extends downwards relative to the first receiving area (811), wherein the second mounting section (82) is located below the first receiving area (811) of the first mounting section (81) and forms a channel, wherein the first mounting section (81) serves to receive the third terminal plate (53), and wherein a part of the second terminal plate (52) is located in the second mounting section (82).

Images