CN113793778B - High-power direct current solid state relay - Google Patents

High-power direct current solid state relay Download PDF

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Publication number
CN113793778B
CN113793778B CN202111363445.2A CN202111363445A CN113793778B CN 113793778 B CN113793778 B CN 113793778B CN 202111363445 A CN202111363445 A CN 202111363445A CN 113793778 B CN113793778 B CN 113793778B
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China
Prior art keywords
relay
main body
heat dissipation
wiring
elastic plate
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CN113793778A (en
Inventor
赖玉娴
杨海林
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Shenzhen Honghaibo Precision Machine Co ltd
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Shenzhen Honghaibo Precision Machine Co ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H45/00Details of relays
    • H01H45/02Bases; Casings; Covers
    • H01H45/04Mounting complete relay or separate parts of relay on a base or inside a case
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H45/00Details of relays
    • H01H45/12Ventilating; Cooling; Heating
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H45/00Details of relays
    • H01H45/14Terminal arrangements

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The invention discloses a high-power direct-current solid-state relay, and relates to the technical field of relays; the relay comprises a relay base, wherein a mounting groove is formed in the top of the relay base, a relay main body is inserted into the top of the mounting groove, two heat dissipation mechanisms are installed at the top of the relay main body, a fastening bolt connected with the top end of the relay main body in a screwed mode is arranged between the two heat dissipation mechanisms, and two fixing shackles are installed at the end portion of each heat dissipation mechanism. According to the invention, the relay main body and the relay base are in a separable state, wiring ends connected with electric appliance wires are concentrated on an external wiring mechanism of the relay base, the relay main body and the relay base are electrically connected in a plug and socket mode formed by the internal wiring mechanism and a wiring plug, and the relay main body is disassembled and assembled in a plug-in mode, so that the operation is simple and convenient, and the phenomena of deformation and unstable contact caused by frequent disassembly and assembly of the wire connector are effectively avoided.

Description

High-power direct current solid state relay
Technical Field
The invention relates to the technical field of relays, in particular to a high-power direct-current solid-state relay.
Background
The relay is an electric control device, which is an electric appliance that makes the controlled quantity generate a predetermined step change in the electric output circuit when the change of the input quantity (excitation quantity) reaches the specified requirement. The isolation of the control end and the load end is realized by the isolation device. The input end of the solid-state relay uses tiny control signals to directly drive a heavy current load, the special solid-state relay can have the functions of short circuit protection, overload protection and overheat protection, and the intelligent module required by a user can be realized by solidifying and packaging with combinational logic and can be directly used in a control system.
Solid-state relay adopts electronic circuit to realize the function of relay, rely on optoelectronic coupler to realize the isolation between control circuit and the controlled circuit, direct current solid-state relay's drive circuit output has just, the branch of negative pole, be applicable to direct current circuit's control, current direct current solid-state relay is overall structure, and connect fixedly through the screw during installation with the wire connects inside the binding post of relay many times, need take off the relay is whole when breaking down, can only change whole relay, the operation process is loaded down with trivial details, and cause the deformation of wiring end and wire end easily, influence the stability of wiring.
In view of the above, the present invention provides a high power dc solid-state relay to solve the technical problems in the prior art.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a high-power direct-current solid-state relay.
The invention provides a high-power direct-current solid relay, which comprises a relay base, wherein the top of the relay base is provided with a mounting groove, a relay main body is inserted into the top of the mounting groove, the top of the relay main body is provided with two heat dissipation mechanisms, a fastening bolt screwed with the top end of the relay main body is arranged between the two heat dissipation mechanisms, the end parts of the heat dissipation mechanisms are provided with two fixing shackles, two sides of the top of the relay base are hinged with elastic fasteners, the outer side of the top of each elastic fastener is matched with the inner space of the corresponding fixing shackles, a plurality of inner wiring mechanisms are arranged inside the mounting groove, the bottom of the relay main body is provided with a wiring plug matched with the inner wiring mechanisms, two sides of the top of the relay base are provided with outer wiring mechanisms, and the bottoms of the outer wiring mechanisms are electrically connected with the inner wiring mechanisms through wires, the wire fixing mechanism is installed at the bottom edge of the relay base and matched with the external wire connecting mechanism, the limiting mechanism is arranged in the center of the top of the installation groove, and the limiting groove matched with the limiting mechanism is formed in the bottom of the relay main body;
stop gear comprises the elastic plate of section for falling U type structure, and the middle part of elastic plate is provided with the vibrating diaphragm of a plurality of V type structures, the top of elastic plate is provided with a plurality of wind grooves, and the outside of elastic plate is provided with a plurality of anticreep pawl.
Preferably, the external connection mechanism comprises an upper wire holder and a lower wire holder which are hinged to each other, a plurality of electric connection pressing plates of semicircular structures are arranged between the upper wire holder and the lower wire holder, fastening buckles of L-shaped structures are arranged on two sides of the bottom of the upper wire holder, and locking grooves matched with the fastening buckles are arranged on two sides of the lower wire holder.
In the invention, preferably, the wire fixing mechanism is composed of elastic rods distributed in an inverted U shape, and the top of each elastic rod is provided with a plurality of wire fixing grooves with oval structures.
In the present invention, preferably, the internal wiring mechanism includes a circular groove, and a spring is installed inside the circular groove, and an internal connection cap is fixedly installed inside the spring.
In the invention, preferably, the bottom of the relay base is provided with a plurality of heat dissipation grooves with inverted U-shaped structures, and the heat dissipation grooves are distributed on two sides of the internal wiring mechanism.
In the invention, preferably, a plurality of heat dissipation fins are arranged on the outer side of the relay main body, and an air deflector which is clamped with the heat dissipation fins is arranged on the outer side of the elastic fastener.
In the invention, preferably, the top of the relay main body is provided with a separation block with a triangular section, and the top of the separation block is provided with an elastic contact electrically connected with the heat dissipation mechanism.
Preferably, the heat dissipation mechanism comprises a shell, a guide groove matched with the separation block is formed in the bottom of the shell, a fixing clamping groove of an inverted-J-shaped structure is formed in the edge of the guide groove, and a heat dissipation fan is mounted at the top of the shell.
Preferably, the limiting mechanism is composed of an elastic plate with an inverted-U-shaped section, the inner diameter of the top of the elastic plate is larger than the width of the bottom of the elastic plate, a plurality of vibrating diaphragms with V-shaped structures distributed in a staggered mode are arranged on the inner walls of the two sides of the elastic plate, a plurality of air grooves are formed in the top of the elastic plate, and two anti-falling inverted teeth are arranged on the outer side of the elastic plate.
Compared with the prior art, the invention provides a high-power direct-current solid-state relay, which has the following beneficial effects:
in the invention, the relay main body and the relay base are in a separable state, the wiring ends connected with the electric appliance wires are concentrated on the external wiring mechanism of the relay base and can be fixed after the relay is installed, the relay main body and the relay base are electrically connected by means of the plug and the socket formed by the internal wiring mechanism and the wiring plug, when the relay is maintained, the relay main body is disassembled and assembled by means of plugging and pulling, the operation is simple and convenient, the phenomena of deformation and unstable contact caused by frequent disassembly and assembly of the wire connector are effectively avoided, secondly, the top of the relay main body is provided with the elastic fastener and the heat dissipation mechanism, when the relay main body is installed, the top end of the relay main body is pressed by the elastic fastener, the fixed shackle and the heat dissipation mechanism, the looseness caused by the vibration of the work of the relay when the circuit is conducted is avoided, secondly, when the relay works, the heat dissipation mechanism at the top works to take away the heat on the surface of the relay main body, so that a good cooling effect is achieved, and the service life of the relay is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of a high-power dc solid-state relay according to the present invention;
fig. 2 is an enlarged structural schematic diagram of a portion a of a high-power dc solid-state relay according to the present invention;
fig. 3 is a schematic structural diagram of an external connection mechanism of a high-power dc solid-state relay according to the present invention;
fig. 4 is a schematic structural view of an air deflector of a high-power direct-current solid-state relay according to the present invention;
fig. 5 is a schematic structural diagram of a relay main body of a high-power direct-current solid-state relay provided by the invention;
fig. 6 is a schematic structural diagram of a heat dissipation mechanism of a high-power dc solid-state relay according to the present invention;
fig. 7 is a schematic structural diagram of a limiting mechanism of a high-power dc solid-state relay according to embodiment 2 of the present invention;
fig. 8 is a schematic structural diagram of a limiting mechanism of a high-power dc solid-state relay according to embodiment 3 of the present invention.
In the figure: the relay comprises a relay base 1, an external wiring mechanism 2, an upper wiring seat 201, a lower wiring seat 202, an electric connection pressure plate 203, a fastening buckle 204, a wiring fixing mechanism 3, an elastic rod 301, a wiring fixing groove 302, an elastic fastener 4, a heat dissipation fin 5, a relay main body 6, an air deflector 7, a fixing shackle 8, a heat dissipation mechanism 9, a casing 901, a heat dissipation fan 902, a fixing clamping groove 903, a guide groove 904, a fastening bolt 10, a separation block 11, a limit groove 12, a limit mechanism 13, an elastic plate 1301, a vibrating diaphragm 1302, an air duct 1303, an elastic plate 1304, a heat dissipation groove 14, an internal wiring mechanism 15, a circular groove 1501, a spring 1502, an internal wiring cap 1503, a mounting groove 16 and a 17 wiring plug.
Detailed Description
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1:
referring to fig. 1-6, a high-power dc solid-state relay includes a relay base 1, a mounting groove 16 is provided at the top of the relay base 1, a relay main body 6 is inserted into the top of the mounting groove 16, two heat dissipation mechanisms 9 are installed at the top of the relay main body 6, a fastening bolt 10 screwed with the top end of the relay main body 6 is provided between the two heat dissipation mechanisms 9, two fixing shackles 8 are installed at the end of the heat dissipation mechanism 9, elastic fasteners 4 are hinged at both sides of the top of the relay base 1, the outer side of the top of the elastic fasteners 4 is adapted to the inner space of the fixing shackles 8, a plurality of inner wiring mechanisms 15 are provided inside the mounting groove 16, a wiring plug 17 adapted to the inner wiring mechanisms 15 is provided at the bottom of the relay main body 6, outer wiring mechanisms 2 are provided at both sides of the top of the relay base 1, and the bottom of the outer wiring mechanisms 2 is electrically connected to the inner wiring mechanisms 15 through a wire, the bottom edge of the relay base 1 is provided with the wire fixing mechanism 3, the wire fixing mechanism 3 is matched with the external wire connecting mechanism 2, the center of the top of the mounting groove 16 is provided with the limiting mechanism 13, the bottom of the relay main body 6 is provided with the limiting groove 12 matched with the limiting mechanism 13, in the invention, the relay main body 6 and the relay base 1 are in a separable state, wiring ends connected with electric appliance wires are concentrated on the external wire connecting mechanism 2 of the relay base 1 and can not move after the relay is mounted, the relay main body 6 and the relay base 1 are electrically connected by a plug and socket mode formed by an internal wiring mechanism 15 and a wiring plug 17, when the relay is maintained, the relay main body 6 is dismounted by a plug mode, the operation is simple and convenient, and the phenomena of deformation and unstable contact caused by frequent dismounting of the wire connectors are effectively avoided, secondly, be provided with elastic fastener 4 and heat dissipation mechanism 9 at the top of relay main part 6, when installation relay main part 6, utilize elastic fastener 4, fixed shackle 8 and heat dissipation mechanism 9 to compress tightly its top, the tremble of relay work when avoiding the circuit to switch on causes the pine to take off, secondly, at relay during operation, the heat dissipation mechanism 9 work of top takes away the heat on relay main part 6 surface, plays good cooling effect, prolongs the life of relay.
As a further scheme in the present invention, the external connection mechanism 2 includes an upper wire holder 201 and a lower wire holder 202 hinged to each other, and a plurality of semicircular power connection pressing plates 203 are disposed between the upper wire holder 201 and the lower wire holder 202, and two sides of the bottom of the upper wire holder 201 are both provided with fastening buckles 204 of L-shaped structure, and two sides of the lower wire holder 202 are both provided with locking grooves adapted to the fastening buckles 204, when connecting with a circuit, a wire is inserted into the power connection pressing plates 203, and the fastening buckles 204 are used to fasten and fix the upper wire holder 201 and the lower wire holder 202, which improves convenience of connection, and is simple and convenient to operate.
As a further scheme of the present invention, the wire fixing mechanism 3 is composed of elastic rods 301 distributed in an inverted U shape, and the top of the elastic rods 301 is provided with a plurality of wire fixing grooves 302 with an oval structure, when a wire is installed, the outer side of the wire terminal of the wire is embedded into the wire fixing grooves 302, so as to reserve a sufficient vibration space for the wire connecting end of the relay, avoid the wire connection falling phenomenon caused by vibration when equipment or the relay is used, and further improve the stability of the relay power connection.
As a further aspect of the present invention, the internal wiring mechanism 15 includes a circular groove 1501, a spring 1502 is installed inside the circular groove 1501, and an internal connection cap 1503 is fixedly installed inside the spring 1502, so that when the wiring plug 17 is mated with the internal wiring mechanism 15, the internal connection cap 1503 and the bottom end of the wiring plug 17 are firmly fixed by the action of the spring 1502, thereby further improving the stability during the power connection process, effectively eliminating the rigid collision between the wiring plug 17 and the internal wiring mechanism 15 during the operation between the relay body 6 and the relay base 1, and improving the service life of the wiring plug 17 and the stability of the power connection.
As a further scheme of the present invention, a plurality of heat dissipation grooves 14 with an inverted U-shaped structure are disposed at the bottom of the relay base 1, and the heat dissipation grooves 14 are disposed at two sides of the internal wiring mechanism 15, so that when the relay operates, the temperature around the internal wiring mechanism 15 can be reduced by the arrangement of the heat dissipation grooves 14, and the heat dissipation and cooling effects can be improved.
As a further scheme in the present invention, a plurality of heat dissipation fins 5 are disposed on the outer side of the relay main body 6, and an air deflector 7 engaged with the heat dissipation fins 5 is disposed on the outer side of the elastic fastener 4, so that when the heat dissipation mechanism 9 works to take away the surface temperature of the relay main body 6, the heat dissipation efficiency is increased by the heat dissipation fins 5, and then when the elastic fastener 4 presses and fastens the relay main body 6, the air deflector 7 mounted on the outer side shields the upper surface of the heat dissipation fins 5, so that the air flow in the middle of the air draft process is accelerated, the efficiency of cooling the upper end of the relay main body 6 is effectively improved, the stability of connection between the elastic fastener 4 and the relay main body 6 is enhanced, and good cooling and damping effects are achieved.
As a further scheme of the present invention, a separation block 11 having a triangular cross-section is disposed on the top of the relay main body 6, and an elastic contact electrically connected to the heat dissipation mechanism 9 is disposed on the top of the separation block 11, after the heat dissipation mechanism 9 is installed, the wind power of the heat dissipation mechanism 9 is divided into two parts by the separation block 11, so as to enhance the wind speed on the two sides of the relay main body 6, and then, the middle part of the heat dissipation mechanism 9 is effectively supported by the arrangement of the separation block 11, so as to enhance the stability of fixing the relay main body 6.
As a further scheme of the present invention, the heat dissipation mechanism 9 includes a housing 901, a guide groove 904 adapted to the partition block 11 is disposed at the bottom of the housing 901, a fixing clip groove 903 of an inverted J-shaped structure is disposed at an edge of the guide groove 904, and a heat dissipation fan 902 is mounted at the top of the housing 901, when the heat dissipation mechanism 9 is mounted, the heat dissipation mechanism is pushed in along the top directions of the partition block 11 and the heat dissipation fin plate 5, so that the two heat dissipation mechanisms 9 are fixed in contact with each other, and meanwhile, the elastic fastener 4 is fixed by the fixing clip ring 8 at the outer end, the mounting is simple and convenient, and the guide groove 904 guides the suction airflow, thereby enhancing the heat dissipation efficiency.
Example 2:
referring to fig. 1-7, a high-power direct current solid state relay, a limiting mechanism 13 is composed of an elastic plate 1301 with an inverted U-shaped cross section, a plurality of vibrating diaphragms 1302 with V-shaped structures are arranged in the middle of the elastic plate 1301, a plurality of air grooves 1303 are arranged on the top of the elastic plate 1301, a plurality of anti-falling inverted teeth 1304 are arranged on the outer side of the elastic plate 1301, when a relay main body 6 is installed, the limiting mechanism 13 is embedded into the limiting groove 12, the relay main body 6 is limited and fixed by using the deformation effect of the elastic plate 1301, and then the vibrating diaphragms 1302 are arranged, vibration generated during relay operation is transmitted to the elastic plate 1301 to drive the vibrating diaphragms 1302 to excite vibration, so that air around the air grooves 1303 is stirred, the effect of heat dissipation and temperature reduction is achieved, and vibration generated during relay operation is buffered.
Example 3:
referring to fig. 1-6 and 8, in a high power dc solid state relay, a position-limiting mechanism 13 is composed of an elastic plate 1301 with an inverted U-shaped cross section, the inner diameter of the top of the elastic plate 1301 is larger than the width of the bottom, a plurality of vibrating diaphragms 1302 with V-shaped structures are arranged on the inner walls of the two sides of the elastic plate 1301 in a staggered distribution, a plurality of wind grooves 1303 are arranged on the top of the elastic plate 1301, two anti-falling inverted teeth 1304 are arranged on the outer side of the elastic plate 1301, when the relay body 6 is installed, the top of the elastic plate 1301 is embedded into the position-limiting groove 12, the anti-falling inverted teeth 1304 on the two sides of the top of the elastic plate 1301 are used to prevent the position-limiting mechanism 13 from falling off, and the fit tightness between the position-limiting mechanism 13 and the relay body 6 is enhanced, meanwhile, when the elastic plate 1301 is affected by the operation of the relay body 6 to generate vibration, the vibrating diaphragm 1302 inside of the elastic plate forms irregular vibration, like wing-shaped swing, the heat dissipation area is enhanced, and the cooling protection effect on the relay main body 6 is further improved.
When the relay is used, the relay main body 6 and the relay base 1 are in a separable state, wiring terminals connected with electric appliance wires are concentrated on the external wiring mechanism 2 of the relay base 1 and can be fixed after the relay is installed, the relay main body 6 and the relay base 1 are electrically connected in a plug and socket mode formed by the internal wiring mechanism 15 and the wiring plug 17, when the relay is maintained, the relay main body 6 is disassembled and assembled in a plugging mode, the operation is simple and convenient, the phenomena of deformation and unstable contact of the wire connectors due to frequent disassembly and assembly are effectively avoided, secondly, the elastic fastener 4 and the heat dissipation mechanism 9 are arranged at the top of the relay main body 6, when the relay main body 6 is installed, the top end of the relay is pressed by the elastic fastener 4, the fixed shackle 8 and the heat dissipation mechanism 9, and the looseness caused by vibration of the relay during the circuit conduction is avoided, secondly, when the relay works, the heat dissipation mechanism 9 at the top works to take away the heat on the surface of the relay main body 6, and a good cooling effect is achieved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (9)

1. A high-power direct-current solid relay comprises a relay base (1), wherein the top of the relay base (1) is provided with a mounting groove (16), and the top of the mounting groove (16) is inserted with a relay main body (6), and is characterized in that two heat dissipation mechanisms (9) are mounted on the top of the relay main body (6), a fastening bolt (10) screwed with the top end of the relay main body (6) is arranged between the two heat dissipation mechanisms (9), two fixing shackles (8) are mounted at the end parts of the heat dissipation mechanisms (9), elastic fasteners (4) are hinged on two sides of the top of the relay base (1), the outer side of the top of each elastic fastener (4) is matched with the inner space of the corresponding fixing shackles (8), a plurality of inner wiring mechanisms (15) are arranged inside the mounting groove (16), and a wiring plug (17) matched with the inner wiring mechanisms (15) is arranged at the bottom of the relay main body (6), the relay comprises a relay base (1), wherein two sides of the top of the relay base (1) are respectively provided with an external wiring mechanism (2), the bottom of each external wiring mechanism (2) is electrically connected with an internal wiring mechanism (15) through a lead, the edge of the bottom of the relay base (1) is provided with a wiring fixing mechanism (3), the wiring fixing mechanisms (3) are matched with the external wiring mechanisms (2), the center of the top of the mounting groove (16) is provided with a limiting mechanism (13), and the bottom of a relay main body (6) is provided with a limiting groove (12) matched with the limiting mechanism (13);
the limiting mechanism (13) is composed of an elastic plate (1301) with an inverted U-shaped cross section, a plurality of vibrating diaphragms (1302) with V-shaped structures are arranged in the middle of the elastic plate (1301), a plurality of air grooves (1303) are formed in the top of the elastic plate (1301), and a plurality of anti-falling inverted teeth (1304) are arranged on the outer side of the elastic plate (1301).
2. The high-power direct-current solid-state relay according to claim 1, wherein the external connection mechanism (2) comprises an upper wire holder (201) and a lower wire holder (202) which are hinged to each other, a plurality of electric connection pressing plates (203) with semicircular structures are arranged between the upper wire holder (201) and the lower wire holder (202), fastening buckles (204) with L-shaped structures are arranged on two sides of the bottom of the upper wire holder (201), and locking grooves matched with the fastening buckles (204) are arranged on two sides of the lower wire holder (202).
3. The high-power direct-current solid-state relay according to claim 2, wherein the wire fixing mechanism (3) is composed of elastic rods (301) distributed in an inverted U shape, and a plurality of wire fixing grooves (302) with an oval structure are arranged at the top of the elastic rods (301).
4. A high power dc solid state relay according to claim 1, wherein the inner wiring mechanism (15) comprises a circular groove (1501), and a spring (1502) is installed inside the circular groove (1501), and an inner electric cap (1503) is fixedly installed inside the spring (1502).
5. The high-power direct-current solid-state relay according to claim 4, wherein the bottom of the relay base (1) is provided with a plurality of heat dissipation grooves (14) with an inverted U-shaped structure, and the heat dissipation grooves (14) are distributed on two sides of the internal wiring mechanism (15).
6. The high-power direct-current solid-state relay is characterized in that a plurality of radiating fins (5) are arranged on the outer side of the relay main body (6), and an air deflector (7) clamped with the radiating fins (5) is arranged on the outer side of the elastic fastener (4).
7. The high-power direct-current solid-state relay according to claim 6, wherein a separation block (11) with a triangular cross section is arranged at the top of the relay main body (6), and an elastic contact electrically connected with the heat dissipation mechanism (9) is arranged at the top of the separation block (11).
8. The high-power direct-current solid-state relay according to claim 7, wherein the heat dissipation mechanism (9) comprises a housing (901), a guide groove (904) matched with the separation block (11) is formed in the bottom of the housing (901), a fixing clamping groove (903) with an inverted J-shaped structure is formed in the edge of the guide groove (904), and a heat dissipation fan (902) is installed at the top of the housing (901).
9. The high-power direct-current solid-state relay according to claim 1, wherein the limiting mechanism (13) is composed of an elastic plate (1301) with an inverted U-shaped cross section, the inner diameter of the top of the elastic plate (1301) is larger than the width of the bottom of the elastic plate, a plurality of vibrating diaphragms (1302) with V-shaped structures are arranged on the inner walls of two sides of the elastic plate (1301) in a staggered mode, a plurality of air grooves (1303) are arranged on the top of the elastic plate (1301), and two anti-falling inverted teeth (1304) are arranged on the outer side of the elastic plate (1301).
CN202111363445.2A 2021-11-17 2021-11-17 High-power direct current solid state relay Active CN113793778B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111363445.2A CN113793778B (en) 2021-11-17 2021-11-17 High-power direct current solid state relay

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Application Number Priority Date Filing Date Title
CN202111363445.2A CN113793778B (en) 2021-11-17 2021-11-17 High-power direct current solid state relay

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CN113793778A CN113793778A (en) 2021-12-14
CN113793778B true CN113793778B (en) 2022-03-25

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04223014A (en) * 1990-12-25 1992-08-12 Matsushita Electric Works Ltd Relay and socket
ITPC20050006U1 (en) * 2005-03-10 2006-09-11 Electrica Srl VOLTMETRIC RELAY WITH SHAPED BASE THAT PRESENTS INCINTIBLE ACTS TO ESTABLISH SEATS FOR "FASTON" TYPE CONNECTIONS
CN112309768B (en) * 2020-10-23 2024-03-26 江苏固特电气控制技术有限公司 Plug-in solid state relay
CN213752548U (en) * 2021-01-12 2021-07-20 广州茂冠电子科技有限公司 Clapper type plug-in relay and socket suitable for heavy load
CN214542062U (en) * 2021-05-10 2021-10-29 黄山震德电子有限公司 Relay convenient to heat dissipation

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