CN213304000U - Anti-interference solid-state relay - Google Patents
Anti-interference solid-state relay Download PDFInfo
- Publication number
- CN213304000U CN213304000U CN202022198722.6U CN202022198722U CN213304000U CN 213304000 U CN213304000 U CN 213304000U CN 202022198722 U CN202022198722 U CN 202022198722U CN 213304000 U CN213304000 U CN 213304000U
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- relay
- relay body
- state relay
- protection casing
- set firmly
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Abstract
The utility model belongs to the technical field of the relay, concretely relates to anti-interference solid state relay, including relay body and protection casing, the protection casing is open-topped hollow structure, and the top of protection casing installs the lid that can open, the relay body is placed in the protection casing, and offers the line hole that is used for passing through the connecting wire on the both ends lateral wall of protection casing, the one end that the relay body was kept away from in the line hole is provided with the card line subassembly; the protective housing is internally provided with a transverse supporting plate, the relay body is lapped on the supporting plate, a plurality of clamping blocks are fixedly arranged on the lower end face of the relay body, the clamping blocks are clamped with grooves in the supporting plate, and a plurality of support springs distributed at equal intervals are fixedly arranged on the lower end face of the supporting plate. The defects of the prior art are overcome, the position of the solid-state relay is fixed, the anti-vibration capacity of the solid-state relay is enhanced, the stability of a connecting wire is enhanced, and therefore the anti-interference capacity of the solid-state relay is improved.
Description
Technical Field
The utility model belongs to the technical field of the relay, concretely relates to anti-interference solid state relay.
Background
The solid-state relay is a new type contactless switch device composed of solid-state electronic elements, and can utilize the switching characteristics of electronic elements (such as switching triode, bidirectional thyristor and other semiconductor devices) to attain the goal of making and breaking circuit in contactless and sparkless mode, so that it is also called "contactless switch", and the solid-state relay is a four-end active device, in which two terminals are input control terminals, and another two terminals are output controlled terminals, and it has amplification driving action and isolation action, so that it is very suitable for driving high-power switch type actuating mechanism.
When factors such as vibration and the like interfere with the conventional solid-state relay outside, the wiring of the solid-state relay is easy to loosen, and even normal use is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an anti-interference solid state relay has overcome the not enough of prior art, fixes solid state relay's position, strengthens its anti-seismic ability of moving, strengthens the firm of connecting wire to promote solid state relay's interference killing feature.
In order to solve the above problems, the utility model adopts the following technical proposal:
an anti-interference solid-state relay comprises a relay body and a protective shell, wherein the protective shell is of a hollow structure with an opening at the top, an openable cover body is installed at the top of the protective shell, the relay body is placed in the protective shell, wire holes for passing through connecting wires are formed in the side walls of two ends of the protective shell, and a wire clamping assembly is arranged at one end, away from the relay body, of each wire hole;
the protective housing is internally provided with a transverse supporting plate, the relay body is lapped on the supporting plate, a plurality of clamping blocks are fixedly arranged on the lower end face of the relay body, the clamping blocks are clamped with grooves in the supporting plate, a plurality of support springs distributed at equal intervals are fixedly arranged on the lower end face of the supporting plate, and when the relay body is placed inside the protective housing, the support springs are always in a compressed state.
Further, the card line subassembly includes arc, fixed plate, splint, connecting rod and clamping spring, the arc sets firmly in the lower half outside in line hole, the fixed plate sets firmly in the top outside in line hole, the connecting rod runs through the fixed plate, and splint set firmly in the bottom of connecting rod, the top of connecting rod has set firmly the stopper, clamping spring cover establishes in the connecting rod outside, and clamping spring's both ends respectively with stopper and fixed plate fixed connection.
Further, wiring screws are respectively installed on four corners of the relay body, the height of each wiring screw is consistent with that of each wire hole, and a plurality of radiating fins are arranged on the lower portion of the relay body.
Further, the one end outside of protection casing has set firmly the heat dissipation case, the air intake has been seted up on the outer wall of heat dissipation case, radiator fan is installed to the heat dissipation incasement, set up the opening that corresponds with radiator fan on the protection casing, and the protection casing has seted up a plurality of air outlets on keeping away from the one end lateral wall of heat dissipation case.
Furthermore, dust screens are arranged on the air inlet and the air outlet.
Furthermore, four angles of the supporting plate are provided with guide rods in the vertical direction in a penetrating mode, and the bottom ends of the guide rods are fixedly connected with the bottom of the protective shell.
Compared with the prior art, the utility model, following beneficial effect has:
the utility model relates to an anti-interference solid state relay, the structural design is novel, easy operation is convenient; the solid-state relay is fixed in the protective shell through the matching of the supporting plate, the supporting spring, the protective shell, the cover body and the clamping block, and the vibration of the solid-state relay can be buffered through the supporting spring, so that the solid-state relay is more stable; the input and output connecting wires are stabilized through the wire clamping assembly, so that the looseness of the connecting wires is avoided; meanwhile, the heat dissipation function of the solid-state relay is enhanced, and the normal work of the solid-state relay is prevented from being influenced by high temperature.
The utility model discloses position to solid state relay is fixed, strengthens its anti-seismic ability of moving, strengthens the firm of connecting wire to promote solid state relay's interference killing feature.
Drawings
Fig. 1 is a schematic structural diagram of an anti-interference solid-state relay.
Fig. 2 is a front view of a tamper resistant solid state relay.
Fig. 3 is a schematic structural diagram of a wire clamping assembly in an anti-interference solid-state relay.
In the figure: 1. a protective housing; 2. a cover body; 3. a relay body; 4. a wiring screw; 5. a heat dissipating fin; 6. a support plate; 7. a clamping block; 8. a heat dissipation box; 9. a heat radiation fan; 10. a guide bar; 11. a support spring; 12. an air outlet; 13. a wire clamping assembly; 131. an arc-shaped plate; 132. a fixing plate; 133. a splint; 134. a connecting rod; 135. a clamping spring; 14. a wire hole; 15. and an air inlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, an anti-interference solid-state relay according to the present invention includes a relay body 3 and a protective casing 1, the protective casing 1 is a hollow structure with an open top, and an openable cover 2 is installed on the top of the protective casing 1, the relay body 3 is placed in the protective casing 1, and the side walls of two ends of the protective casing 1 are provided with wire holes 14 for passing through connecting wires, and one end of the wire hole 14 away from the relay body 3 is provided with a wire clamping assembly 13;
be provided with horizontal backup pad 6 in the protection casing 1, 3 laps of relay body are on backup pad 6, and the lower terminal surface of relay body 3 has set firmly a plurality of fixture blocks 7, and the recess joint on fixture block 7 and the backup pad 6, and the lower terminal surface of backup pad 6 has set firmly the supporting spring 11 that a plurality of equidistance distribute, and when relay body 3 placed inside the protection casing 1, supporting spring 11 was in the compressed state all the time.
During the use, at first pass through the connecting wire through line hole 14 respectively with relay body 3 and be connected, place relay body 3 again in backup pad 6, make fixture block 7 joint in the draw-in groove, reuse lid 2 extrudees relay body 3 downwards, make relay body 3 get into in the protective housing 1 completely, be connected back lid 2 with protective housing 1 with backup pad 6 jack-up upwards under supporting spring 11's effect to make relay body 3 hug closely on the lower terminal surface of lid 2, then rethread card line subassembly 13 is fixed with the connecting wire.
The wire clamping assembly 13 comprises an arc-shaped plate 131, a fixing plate 132, a clamping plate 133, a connecting rod 134 and a clamping spring 135, the arc-shaped plate 131 is fixedly arranged on the outer side of the lower half portion of the wire hole 14, the fixing plate 132 is fixedly arranged on the outer side of the top end of the wire hole 14, the connecting rod 134 penetrates through the fixing plate 132, the clamping plate 133 is fixedly arranged at the bottom end of the connecting rod 134, a limiting block is fixedly arranged at the top end of the connecting rod 134, the clamping spring 135 is sleeved on the outer side of the connecting rod 134, two ends of the clamping spring 135 are fixedly connected with; first, the connecting rod 134 is pulled upward to move the clamping plate 133 upward, so that the connecting wire passes through the wire hole 14 to be connected with the relay body 3, and then the connecting rod 134 is loosened to move the clamping plate 133 towards the connecting wire under the action of the clamping spring 135 until the connecting wire is clamped, so that the connecting wire is prevented from loosening.
The relay body 3 is provided with wiring screws 4 at four corners, the height of each wiring screw 4 is consistent with that of each wire hole 14, and the lower portion of the relay body 3 is provided with a plurality of radiating fins 5.
In order to enhance the heat dissipation performance of the device, a heat dissipation box 8 is fixedly arranged on the outer side of one end of the protection shell 1, an air inlet 15 is formed in the outer wall of the heat dissipation box 8, a heat dissipation fan 9 is installed in the heat dissipation box 8, an opening corresponding to the heat dissipation fan 9 is formed in the protection shell 1, and a plurality of air outlets 12 are formed in the side wall of one end, away from the heat dissipation box 8, of the protection shell 1.
In order to avoid dust, dust screens are arranged on the air inlet 15 and the air outlet 12.
In order to improve the stability of the supporting plate 6, guide rods 10 are arranged at four corners of the supporting plate 6 in a penetrating manner, and the bottom ends of the guide rods 10 are fixedly connected with the bottom of the protective shell 1.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. An anti-interference solid state relay, characterized in that: the relay protection device comprises a relay body (3) and a protection shell (1), wherein the protection shell (1) is of a hollow structure with an opening at the top, an openable cover body (2) is installed at the top of the protection shell (1), the relay body (3) is placed in the protection shell (1), wire holes (14) for passing through connecting wires are formed in the side walls of two ends of the protection shell (1), and a wire clamping assembly (13) is arranged at one end, far away from the relay body (3), of each wire hole (14);
be provided with horizontal backup pad (6) in protection casing (1), relay body (3) overlap joint is on backup pad (6), the lower terminal surface of relay body (3) has set firmly a plurality of fixture blocks (7), just recess joint on fixture block (7) and backup pad (6), the lower terminal surface of backup pad (6) has set firmly supporting spring (11) that a plurality of equidistance distribute, places when protection casing (1) is inside when relay body (3), and supporting spring (11) are in the compressed state all the time.
2. The tamper resistant solid state relay of claim 1, wherein: card line subassembly (13) include arc (131), fixed plate (132), splint (133), connecting rod (134) and clamping spring (135), arc (131) set firmly in the lower half outside in line hole (14), fixed plate (132) set firmly in the top outside in line hole (14), connecting rod (134) run through fixed plate (132), and splint (133) set firmly in the bottom of connecting rod (134), the top of connecting rod (134) has set firmly the stopper, clamping spring (135) cover is established in connecting rod (134) outside, and clamping spring (135) both ends respectively with stopper and fixed plate (132) fixed connection.
3. The tamper resistant solid state relay of claim 1, wherein: wiring screws (4) are respectively installed on four corners of the relay body (3), the height of each wiring screw (4) is consistent with that of each wire hole (14), and a plurality of radiating fins (5) are arranged on the lower portion of the relay body (3).
4. A tamper resistant solid state relay according to claim 3, wherein: the one end outside of protection casing (1) has set firmly heat dissipation case (8), air intake (15) have been seted up on the outer wall of heat dissipation case (8), install radiator fan (9) in heat dissipation case (8), set up the opening that corresponds with radiator fan (9) on protection casing (1), and seted up a plurality of air outlets (12) on the one end lateral wall that heat dissipation case (8) was kept away from in protection casing (1).
5. The tamper resistant solid state relay of claim 4, wherein: and dust screens are arranged on the air inlet (15) and the air outlet (12).
6. The tamper resistant solid state relay of claim 1, wherein: guide rods (10) in the vertical direction penetrate through four corners of the supporting plate (6), and the bottom ends of the guide rods (10) are fixedly connected with the bottom of the protective shell (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202022198722.6U CN213304000U (en) | 2020-09-29 | 2020-09-29 | Anti-interference solid-state relay |
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CN202022198722.6U CN213304000U (en) | 2020-09-29 | 2020-09-29 | Anti-interference solid-state relay |
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CN213304000U true CN213304000U (en) | 2021-05-28 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116646219A (en) * | 2023-05-30 | 2023-08-25 | 华能澜沧江水电股份有限公司 | Solid-state relay |
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2020
- 2020-09-29 CN CN202022198722.6U patent/CN213304000U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116646219A (en) * | 2023-05-30 | 2023-08-25 | 华能澜沧江水电股份有限公司 | Solid-state relay |
CN116646219B (en) * | 2023-05-30 | 2024-05-31 | 华能澜沧江水电股份有限公司 | Solid-state relay |
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