CN212542287U

CN212542287U - Protection device of high-frequency high-voltage optical relay

Info

Publication number: CN212542287U
Application number: CN202021749244.7U
Authority: CN
Inventors: 徐婷婷; 王天睿
Original assignee: Liaoning Daote Kaili Technology Co ltd
Current assignee: Liaoning Daote Kaili Technology Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-02-12
Anticipated expiration: 2030-08-20

Abstract

The utility model discloses a protection device of high frequency high-voltage optical relay, which comprises a housin, the bottom fixed mounting of casing has the supporting seat, the upper end of supporting seat fixedly connected with coil soldering lug, yoke, connecting rod and two leaf springs in proper order, be equipped with same point contact subassembly on connecting rod and two leaf springs, the inner wall of casing is equipped with the installation cavity, fixed mounting has a reaction cylinder in the installation cavity, be equipped with alarm mechanism and protection component in the reaction cylinder, alarm mechanism's one end and protection component one end offset contact. The utility model discloses the setting of alarm mechanism, point contact subassembly and protection subassembly utilizes the evaporation of being heated of evaporating liquid to produce drive power, not only can send the early warning to the condition of burning out of contact, can also in time remedy the contact that burns out, and the effectual further damage that prevents the contact reduces the loss of property.

Description

Protection device of high-frequency high-voltage optical relay

Technical Field

The utility model relates to a high frequency high voltage optical relay technical field especially relates to a high frequency high voltage optical relay's protection device.

Background

The relay is an electric control device, the main working principle of which is an electric appliance which enables the controlled quantity to generate a preset step change in an electric output circuit when the change of the input quantity meets the specified requirement, and the relay 1 has an interactive relation between a control system and the controlled system.

The existing relay has the problems that after the switch is normally operated for many times and fails to switch off, the jackscrew of the switch-off iron core is loosened, the switch-off iron core falls off, the switch cannot be switched off when the switch fails, the contact is burnt due to long-time electrification of the outlet intermediate relay, the burning of the contact is difficult to find and remedy in time, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the burning of the point that exists among the prior art and being difficult to in time discover and in time remedy, there is the potential safety hazard, and the protection device of a high frequency high voltage photo relay who provides utilizes the evaporation of being heated of evaporating liquid to produce drive power, not only can send the early warning to the burning condition of contact, can also in time remedy the contact that burns, the effectual further damage that prevents the contact.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a protection device of high frequency high-voltage optical relay, includes the casing, the bottom fixed mounting of casing has the supporting seat, fixedly connected with coil soldering lug, yoke, connecting rod and two leaf springs in proper order on the supporting seat, be equipped with same point contact assembly on connecting rod and two leaf springs, the inner wall of casing is equipped with the installation cavity, fixed mounting has a reaction tube in the installation cavity, be equipped with alarm mechanism and protection component in the reaction tube, alarm mechanism's one end and protection component one end offset contact utilize the evaporation of being heated of evaporating liquid to produce drive power, not only can send the early warning to the condition of burning out of contact, can also in time remedy the contact that burns out, the further damage of effectual prevention contact.

Preferably, an iron core is fixedly installed at the upper end of the yoke, an iron net is coaxially and fixedly installed on the iron core, and a point contact piece is fixedly installed at the upper end of the iron core.

Preferably, the point touch component includes the armature that rotates to be connected in the connecting rod upper end, one side fixed mounting that the lower extreme of armature is close to the leaf spring has branch, branch and one of them leaf spring counterbalance contact setting, two the contact has all been laminated to the one side that the leaf spring is relative.

Preferably, the alarm mechanism comprises two sealing blocks connected to the inner wall of the reaction barrel in a sliding sealing manner, evaporation liquid is filled in the part, between the two sealing blocks, of the reaction barrel, the same alarm air bag is in contact with the sealing blocks on the right side and the right side of the reaction barrel in an abutting manner, the alarm air bag is communicated with an alarm tube, the sealing blocks on the right side are in contact with one end of the protection assembly in an abutting manner, and the alarm mechanism is arranged to send out an early warning on the burning-out condition of the contact.

Preferably, the protection subassembly includes the protection gasbag that offsets the contact with reaction cylinder left side inner wall and left sealing block, the protection gasbag intercommunication has the protection tube, and the setting of protection subassembly can in time remedy the contact that burns out.

Preferably, a one-way pressure valve is fixedly mounted at the air outlet end of the protection pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an alarm mechanism's setting utilizes the evaporation of being heated of evaporating liquid to produce drive power to the extrusion warning gasbag, thereby with the warning gas discharge, the effectual condition of damaging appears in reminding external personnel relay.

2. The utility model discloses a setting of protection subassembly can in time remedy the contact that burns out, utilizes the evaporation of being heated of utilizing the evaporating liquid to produce drive power to extrusion protection gasbag discharge protective gas puts out a fire, and the effectual further damage that prevents the contact has reduced the loss of property.

Drawings

Fig. 1 is a schematic structural diagram of a protection device for a high-frequency high-voltage optical relay according to the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

fig. 3 is a schematic top view of a reaction cylinder in a protection device for a high-frequency high-voltage optical relay according to the present invention.

In the figure: the device comprises a shell 1, a support base 2, a coil soldering lug 3, a yoke 4, a connecting rod 5, a plate spring 6, a mounting cavity 7, a reaction cylinder 8, an iron core 9, an iron net 10, an armature 11, a support rod 12, a contact 13, a sealing block 14, an evaporative liquid 15, an alarm air bag 16, an alarm tube 17, a protective air bag 18, a protective tube 19 and a one-way pressure valve 20.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a protection device for a high-frequency high-voltage optical relay, which comprises a shell 1, wherein a supporting seat 2 is fixedly installed at the bottom of the shell 1, a coil soldering lug 3, a yoke 4, a connecting rod 5 and two plate springs 6 are fixedly connected to the upper end of the supporting seat 2 in sequence, the same point contact assembly is arranged on the connecting rod 5 and the two plate springs 6, an installation cavity 7 is arranged on the inner wall of the shell 1, a reaction cylinder 8 is fixedly installed in the installation cavity 7, a sealing door is hinged to the upper end of the reaction cylinder 8, details are shown in fig. 3, the sealing door is arranged for supplementing an evaporated liquid, an alarm mechanism and a protection assembly are arranged in the reaction cylinder 8, and one end of the alarm.

Wherein, yoke 4's upper end fixed mounting has iron core 9, coaxial fixed mounting has iron net 10 on the iron core 9, iron core 9's upper end fixed mounting has some contact, some contact subassembly is including rotating armature 11 of connecting in connecting rod 5 upper end, the rotation of here is connected for prior art, do not do too much repeated here, armature 11's lower extreme is close to one side fixed mounting of leaf spring 6 has branch 12, branch 12 and one of them leaf spring 6 counterbalance contact setting, contact 13 has all been laminated to one side that two leaf springs 6 are relative, the theory of operation of relay is prior art, just no longer give unnecessary details here.

Wherein, alarm mechanism includes two sealed pieces 14 of sliding seal connection in 8 inner walls of reaction cylinder, the part packing of 8 of reaction cylinder between two sealed pieces 14 has evaporative liquid 15, evaporative liquid 15 is methyl formate solution, it is gaseous to be heated easy evaporation, it has same warning gasbag 16 to offset the contact between 8 right side inner walls of reaction cylinder and the sealed piece 14 on right side, warning gasbag 16 intussuseption is filled with warning gas, warning gas is the bright-colored gas of colour, easily be discover in discharging the air, thereby play the effect of warning, warning gasbag 16 communicates alarm tube 17, the valve is installed to alarm tube 17's the end of giving vent to anger, a discharge for controlling warning gas, sealed piece 14 and the one end offset contact of protection component on right side.

More specifically, the protection subassembly includes the protection gasbag 18 that offsets contact with reaction cylinder 8 left side inner wall and left side sealing block 14, and the protection gasbag 18 intussuseption is filled with the dry powder fire extinguishing agent for handle the contact 13 of burning puts out a fire, thereby reduces the loss, and protection gasbag 18 intercommunication has protection tube 19, and the end fixed mounting that gives vent to anger of protection tube 19 has one-way pressure valve 20.

In the utility model, when the relay breaks down, the relay can not be switched off, the contact 13 is burnt out due to the long-time electrification of the outlet intermediate relay, the temperature in the shell 1 rises sharply, because the shell 1 and the reaction cylinder 8 are made of materials with good heat conductivity, the evaporating liquid in the reaction cylinder 8 is reacted by the heat transmission due to the heat transmission, the evaporation generated gas pushes the left and the right sealing blocks 14 to move, the alarm air bag 16 and the protection air bag 18 are extruded, the alarm gas in the alarm air bag 16 is discharged to the outside air through the valve at the gas outlet end of the alarm tube 17, the alarm gas has bright color and is easy to be found, the alarm effect is played, the personnel can find out the emergency treatment in time, the protection air bag 18 is extruded, the dry powder extinguishing agent in the alarm gas is discharged through the one-way pressure valve 20 of the protection tube 19, the contact 13 is used for extinguishing fire for the burning contact 13, thereby effectively preventing the contact 13 from further damage and reducing property loss.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a protection device of high frequency high-voltage optical relay, includes casing (1), its characterized in that, the bottom fixed mounting of casing (1) has cross supporting seat (2), the upper end fixedly connected with coil soldering lug (3), yoke (4), connecting rod (5) and two leaf springs (6) in proper order of supporting seat (2), be equipped with same point contact assembly on connecting rod (5) and two leaf springs (6), the inner wall of casing (1) is equipped with installation cavity (7), fixed mounting has reaction cylinder (8) in installation cavity (7), be equipped with alarm mechanism and protection component in reaction cylinder (8), alarm mechanism's one end and protection component one end offset contact.

2. A high frequency high voltage photo relay protection device according to claim 1, wherein the upper end of the yoke (4) is fixedly installed with an iron core (9), the iron core (9) is coaxially and fixedly installed with an iron net (10), and the upper end of the iron core (9) is fixedly installed with a point contact.

3. The protection device of a high-frequency high-voltage optical relay according to claim 1, wherein the point contact component comprises an armature (11) rotatably connected to the upper end of the connecting rod (5), a supporting rod (12) is fixedly installed at one side of the lower end of the armature (11) close to the plate spring (6), the supporting rod (12) is arranged in contact with one of the plate springs (6) in an abutting mode, and a contact (13) is attached to one side of each of the two plate springs (6) opposite to each other.

4. The protection device of a high-frequency high-voltage optical relay according to claim 1, wherein the alarm mechanism comprises two sealing blocks (14) connected with the inner wall of the reaction cylinder (8) in a sliding and sealing manner, the part of the reaction cylinder (8) between the two sealing blocks (14) is filled with an evaporating liquid (15), the same alarm air bag (16) is in contact with the sealing blocks (14) on the right side and the right side of the reaction cylinder (8) in an abutting manner, the alarm air bag (16) is communicated with an alarm tube (17), and the sealing block (14) on the right side is in contact with one end of the protection component in an abutting manner.

5. A protection device for high frequency high voltage photo-relay according to claim 4, characterized in that the protection component comprises a protection airbag (18) contacting against the sealing blocks (14) on the left side and the left side of the reaction cylinder (8), the protection airbag (18) is communicated with a protection tube (19).

6. A protection device for high frequency high voltage photo-relay according to claim 5, characterized in that the outlet end of the protection tube (19) is fixedly installed with a one-way pressure valve (20).