CN116013734A - Relay and switching device - Google Patents
Relay and switching device Download PDFInfo
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- CN116013734A CN116013734A CN202111222515.2A CN202111222515A CN116013734A CN 116013734 A CN116013734 A CN 116013734A CN 202111222515 A CN202111222515 A CN 202111222515A CN 116013734 A CN116013734 A CN 116013734A
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- relay
- diode
- led lamp
- led
- relay body
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Abstract
The invention provides a relay and a switching device, which comprise a relay body, a bracket arranged on the side part of the relay body and a detachable LED assembly arranged on the bracket; and, relay mounting is used on the base; wherein the bracket is used for connecting the relay to the base; the LED assembly comprises an FPC circuit board assembly, a shell and an LED lamp indication loop in the shell, wherein the LED lamp indication loop is configured on the FPC circuit board assembly; the LED lamp indication loop is used for operating between on and off according to the coil on condition of the relay body. The problem that the motion state of a fully-sealed relay cannot be detected in the prior art is solved.
Description
Technical Field
The invention relates to the field of electric, in particular to a relay and a switching device.
Background
In the prior art, a relay is a common electrical component which is often used in the field of industrial control and can control strong current through weak current, specifically, when a coil of the relay is provided with an electric signal by a PLC or other programmable controllers, a normally open contact of the relay is closed and a normally closed contact of the relay is opened, and the normally open contact and the normally closed contact can be connected with a strong current loop so as to realize weak current to control strong current;
in some cases, it may be determined by some indication of the relay whether the coil of the relay is in an energized state, however, a hermetically sealed relay is hermetically sealed by a metal part and mechanical movement is not visible, so it is difficult to check the state of the relay.
In view of this, the present application is presented.
Disclosure of Invention
The invention discloses a relay and a switching device, and aims to solve the problem that the motion state of a fully-sealed relay cannot be detected in the prior art.
The first embodiment of the invention provides a relay, which comprises a relay body, a bracket arranged on the side part of the relay body and a detachable LED assembly arranged on the bracket;
wherein the bracket is used for connecting the relay to the base;
the LED assembly comprises an FPC circuit board assembly, a shell and an LED lamp indication loop arranged in the shell, wherein the LED lamp indication loop is arranged on the FPC circuit board assembly;
the LED lamp indication loop is used for operating between on and off according to the coil on condition of the relay body.
Preferably, the FPC circuit board assembly comprises an FPC board, and a first spring piece and a second spring piece which are arranged on the FPC board;
wherein, a plurality of holes penetrating through the FPC board are arranged on the FPC board, and the holes correspond to pins of the relay body;
the first spring piece and the second spring piece are arranged on the opening, and the first spring piece and the second spring piece are used for clamping coil pins of the relay body. The LED assembly is configured to draw power from a coil pin of the relay body.
Preferably, the FPC circuit board assembly further includes a first insulating rubber layer, and a second insulating rubber layer;
wherein the first insulating rubber layer is disposed between the relay body and the upper surface of the FPC board, and the second insulating rubber layer is disposed between the lower surface of the FPC board and the base.
Preferably, the bracket and the relay body form a space;
wherein the LED assembly is detachably disposed within the space.
Preferably, a buckle is configured on one side of the shell of the LED component far away from the relay body, and a bulge is arranged below the buckle;
the buckle is used for being clamped on the support, and the support is configured between the protrusion and the buckle.
Preferably, the indication circuit comprises: the LED lamp comprises a first diode, a resistor, a second diode and an LED lamp;
the LED lamp comprises a first diode, a second diode, a first spring piece, a resistor, a second diode, an LED lamp, a first end of the first diode, a second end of the resistor, a positive electrode of the second diode, a second end of the second diode, a first spring piece and a second spring piece, wherein the two ends of the first diode are respectively electrically connected with the first spring piece and the second spring piece, the first end of the first diode is electrically connected with the first end of the resistor, the second end of the resistor is electrically connected with the negative electrode of the second diode, the positive electrode of the second diode is electrically connected with the second end of the first diode, and the LED lamp is arranged at the two ends of the second diode.
Preferably, the first diode is a bi-directional transient voltage suppression diode.
Preferably, the method further comprises: a fuse; wherein the fuse is disposed on the loop of the first spring member and the first diode.
Preferably, the bracket is provided with a bolt; the relay body is fixed with the base through the bolt.
A second embodiment of the present invention provides a switching device, including a base and a relay according to any one of the above, wherein the relay body is detachably disposed on the base.
According to the relay and the switching device, the support is arranged on the side part of the relay body and used for being provided with the LED component, the FPC circuit board component on the LED component is in contact with the pins of the relay coil, when the relay coil is electrified, power is supplied to the LED lamp indication loop, and at the moment, the LED component is lightened to indicate the motion state of the fully-sealed relay.
Drawings
Fig. 1 is a schematic view of a relay structure according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of the LED assembly according to an embodiment of the present invention;
FIG. 3 is a schematic view of a spring member according to an embodiment of the present invention;
fig. 4 is a schematic diagram of an LED indicator circuit according to an embodiment of the present invention.
Fig. 5 is a schematic view of a base structure according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments obtained based on embodiments of the present invention by those of ordinary skill in the art without inventive effort are within the scope of the present invention. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
The invention discloses a relay and a switching device, and aims to solve the problem that the motion state of a fully-sealed relay cannot be detected in the prior art.
Referring to fig. 1 and 2, a first embodiment of the present invention provides a relay, including a relay body 1, a bracket 6 disposed at a side of the relay body 1, and a detachable LED assembly disposed on the bracket 6;
wherein the bracket 6 is used for connecting the relay to the base;
the LED assembly comprises an FPC circuit board assembly 2, a shell 3 and an LED lamp indication loop arranged in the shell 3, wherein the LED lamp indication loop is arranged on the FPC circuit board assembly;
wherein the LED lamp indication loop is used for operating between on and off according to the coil on condition of the relay body 1.
It should be noted that in the prior art, the relay is used in the industrial field to control on and off of strong current through weak current, in some cases, the relay is totally enclosed by metal, it cannot see the action process of the relay, and the strong current part connected with the relay may be far away from the relay body 1, and the working state of the relay cannot be judged through the attraction of the normally open contact or the disconnection of the normally closed contact.
In this embodiment, a bracket 6 is configured on the side of the relay body 1, so as to configure the LED assembly, the FPC board assembly 2 on the LED assembly contacts with the pins of the relay coil, and when the relay coil is powered on, power is supplied to the LED lamp indication circuit, and at this time, the LED assembly is turned on, so as to indicate the motion state of the fully-sealed relay.
Specifically, in the present embodiment, referring to fig. 3, the FPC board assembly 2 includes an FPC board 22, and a first spring member 221 and a second spring member 222 disposed on the FPC board 22; fig. 3 is a schematic view of the structure of the spring member, and the member 8 is a coil pin of the relay, which can be clamped by the spring member to achieve electrical connection.
Wherein, a plurality of openings penetrating through the FPC board 22 are configured on the FPC board 22, and the openings correspond to the pins of the relay body 1;
the first spring 221 and the second spring 222 are disposed on the opening, and the first spring 221 and the second spring 222 are used for clamping coil pins of the relay body 1.
The relay body 1 has a plurality of pins, for example, pins of a relay coil, pins of a normally open contact, and pins of a normally closed contact, and the number of the pins may be set according to practical situations, and specifically, for example, some relays may include two pins of a normally open contact and two pins of a normally closed contact. Specifically, in this embodiment, a plurality of openings are provided on the FPC board 22, the openings correspond to the pins of the relay body 1, it is to be understood that the FPC board 22 may be attached to the relay body 1, where a first spring member 221 and a second spring member 222 are provided on the FPC board 22, the first spring member 221 may clamp the coil positive pin of the relay body 1, the second spring member 222 may clamp the coil negative pin of the relay body 1, and then the FPC board 22 is electrically connected with the LED lamp indication circuit, and when the coil of the relay body 1 is powered, the LED assembly is turned on.
It should be noted that, the first spring member 221 and the second spring member 222 are respectively clamped to the positive and negative pins of the coil of the relay body 1 to obtain the electrical connection, and in other embodiments, the electrical connection may be performed from the coil pin of the relay body 1 by other manners, for example, by welding a metal sheet to the coil pin of the relay body 1, etc., which are not limited herein, but all the embodiments are within the scope of the present invention.
In the present embodiment, the FPC board assembly 2 further includes a first insulating rubber layer 21, and a second insulating rubber layer 23;
wherein the first insulating rubber layer 21 is disposed between the relay body 1 and the upper surface of the FPC board 22, and the second insulating rubber layer 23 is disposed between the lower surface of the FPC board 22 and the base.
It should be noted that, the first insulating rubber layer 21 and the second insulating rubber layer 23 are both configured with penetrating openings, and the openings are used for the pins of the relay body 1 to penetrate through, in this embodiment, the first insulating rubber layer 21 and the second insulating rubber layer 23 are used for avoiding other circuits from being electrically connected with the FPC board 22.
In this embodiment, a space 5 is formed between the bracket 6 and the relay body 1;
wherein the LED assembly is detachably arranged in the space 5.
It should be noted that, the LED assembly is limited to the space 5, and of course, in other embodiments, the LED assembly may be directly fixed to the relay body 1, for example, by welding, which is not specifically limited herein, but all the solutions are within the scope of the present invention.
In this embodiment, a buckle 31 is disposed on the side of the housing 3 away from the relay body 1, and a protrusion 32 is disposed below the buckle 31;
wherein, the buckle 31 is used for being clamped on the bracket 6, and the bracket 6 is configured between the protrusion 32 and the buckle 31.
It should be noted that, when the LED assembly is installed, the LED assembly is installed from the lower side to the upper side of the relay body 1, the buckle 31 is clamped on the bracket 6 when passing through the bracket 6, and meanwhile, the protrusion 32 can limit the LED assembly to move upwards. When the LED assembly needs to be disassembled, the buckle 31 can be pressed, so that the buckle 31 is separated from the bracket 6, and the disassembly of the LED assembly is realized.
Referring to fig. 4, in this embodiment, the LED lamp indication circuit includes: a first diode D1, a resistor R, a second diode D2, and an LED lamp 7;
the two ends of the first diode D1 are respectively electrically connected with the first spring member 221 and the second spring member 222, the first end of the first diode D1 is electrically connected with the first end of the resistor R, the second end of the resistor R is electrically connected with the negative electrode of the second diode D2, the positive electrode of the second diode D2 is electrically connected with the second end of the first diode D1, and the LED lamp 7 is arranged at two ends of the second diode D2.
It should be noted that, the first diode D1 is a bidirectional transient voltage suppression diode, which can receive transient high-energy impact at two poles and absorb surge power, so that the voltage clamp between two poles is located at a predetermined value, thereby effectively protecting the relay and the LED lamp indication loop from being damaged by various surge pulses, and the second diode D2 can provide reverse voltage polarity protection for the loop.
In this embodiment, further comprising: a fuse; wherein the fuse is disposed on the loop of the first spring 221 and the first diode D1.
It should be noted that, the fuse may be used to prevent the LED lamp indicating circuit from being blown out rapidly when a short circuit occurs, so as to avoid affecting the operation of the relay body 1.
In this embodiment, the bracket 6 may be provided with bolts; the relay body 1 is fixed with the base through the bolts.
It should be noted that, the base is provided with a structure corresponding to the bolt, such as a nut, and when the bolt is locked into the nut structure, the relay body 1 is fixed with the base, and in other embodiments, the base may be fixed with the relay body 1 by other manners, which are not limited herein, but all the schemes are within the scope of the present invention.
A second embodiment of the present invention provides a switching device including a base (as shown in fig. 5) and a relay according to any one of the above, wherein the relay body is detachably disposed on the base. According to the relay and the switching device, the support 6 is arranged on the side part of the relay body 1 and used for being provided with the LED component, the FPC circuit board component 2 on the LED component is in contact with the pins of the relay coil, when the relay coil is electrified, power is supplied to the LED lamp indication loop, and at the moment, the LED component is lightened to indicate the motion state of the fully-sealed relay.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention.
Claims (10)
1. The relay is characterized by comprising a relay body, a bracket arranged on the side part of the relay body and a detachable LED assembly arranged on the bracket;
wherein the bracket is used for connecting the relay to the base;
the LED assembly comprises an FPC circuit board assembly, a shell and an LED lamp indication loop arranged in the shell, wherein the LED lamp indication loop is arranged on the FPC circuit board assembly; the LED lamp indication loop is used for operating between on and off according to the coil on condition of the relay body.
2. The relay of claim 1, wherein the FPC circuit board assembly comprises an FPC board, and first and second spring members disposed on the FPC board;
wherein, a plurality of holes penetrating through the FPC board are arranged on the FPC board, and the holes correspond to pins of the relay body;
the first spring piece and the second spring piece are configured on the opening, the first spring piece and the second spring piece are used for clamping a coil pin of the relay body, and the LED component is configured to obtain power from the coil pin of the relay body.
3. A relay according to claim 2, wherein the LED assembly further comprises a first insulating rubber layer, and a second insulating rubber layer;
wherein the first insulating rubber layer is disposed between the relay body and the upper surface of the FPC board, and the second insulating rubber layer is disposed between the lower surface of the FPC board and the base.
4. A relay according to claim 1, wherein the bracket forms a space with the relay body;
wherein the LED assembly is detachably disposed within the space.
5. The relay of claim 4, wherein the housing of the LED assembly is provided with a clip on a side remote from the relay body, and a protrusion is disposed below the clip;
the buckle is used for being clamped on the support, and the support is configured between the protrusion and the buckle.
6. A relay according to claim 2, wherein the LED indication circuit comprises: the LED lamp comprises a first diode, a resistor, a second diode and an LED lamp;
the LED lamp comprises a first diode, a second diode, a first spring piece, a resistor, a second diode, an LED lamp, a first end of the first diode, a second end of the resistor, a positive electrode of the second diode, a second end of the second diode, a first spring piece and a second spring piece, wherein the two ends of the first diode are respectively electrically connected with the first spring piece and the second spring piece, the first end of the first diode is electrically connected with the first end of the resistor, the second end of the resistor is electrically connected with the negative electrode of the second diode, the positive electrode of the second diode is electrically connected with the second end of the first diode, and the LED lamp is arranged at the two ends of the second diode.
7. A relay according to claim 6, wherein the first diode is a bi-directional transient voltage suppression diode.
8. A relay according to claim 6, further comprising: a fuse; wherein the fuse is disposed on the loop of the first spring member and the first diode.
9. A relay according to claim 1, wherein the bracket is provided with bolts; the relay body is fixed with the base through the bolt.
10. A switching device comprising a base and a relay according to any one of claims 1 to 9, wherein the relay body is detachably arranged on the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111222515.2A CN116013734A (en) | 2021-10-20 | 2021-10-20 | Relay and switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111222515.2A CN116013734A (en) | 2021-10-20 | 2021-10-20 | Relay and switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116013734A true CN116013734A (en) | 2023-04-25 |
Family
ID=86035918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111222515.2A Pending CN116013734A (en) | 2021-10-20 | 2021-10-20 | Relay and switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116013734A (en) |
-
2021
- 2021-10-20 CN CN202111222515.2A patent/CN116013734A/en active Pending
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