CN114901007A

CN114901007A - Circuit isolator breaks away from safety device

Info

Publication number: CN114901007A
Application number: CN202210430836.XA
Authority: CN
Inventors: 王志刚; 张忠华; 杨庆志; 孙涛; 刘宏峰; 王雪梅; 王东宁; 任秋宇; 王欣; 赵宇
Original assignee: Yingkou Power Plant of Huaneng Power International Inc
Current assignee: Yingkou Power Plant of Huaneng Power International Inc
Priority date: 2022-04-23
Filing date: 2022-04-23
Publication date: 2022-08-12

Abstract

The invention discloses a loop isolator disengaging safety device, which relates to the field of isolators and comprises an installation plate, wherein one side of the installation plate is provided with a clamping groove, a clamping block is clamped in the clamping groove, one side of the clamping block is provided with a heat radiating seat, one side of the heat radiating seat is provided with an insertion groove, and an isolator is inserted in the insertion groove. According to the invention, by arranging the plugging assembly, when the isolator is taken out, the sliding sleeve moves at the moment to release the pull rope, the reset spring recovers elasticity and stretches to push the sliding block to reset, the sliding block resets to drive the plugging plates to reset, so that the two plugging plates are folded and the heat dissipation holes are plugged, dust attached to the surface of the dustproof net can be cleaned in the plugging process, the dust is prevented from being covered on the surface of the dustproof net all the time, the cleaning efficiency of the surface of the dustproof net is improved, and after the heat dissipation holes are plugged by the plugging plates, external dust can be prevented from entering the inner part of the insertion groove through the heat dissipation holes, so that more dust cannot be attached to one surface of the heat dissipation net close to the mounting plate.

Description

Circuit isolator breaks away from safety device

Technical Field

The invention relates to the field of isolators, in particular to a circuit isolator disengaging safety device.

Background

The signal isolator firstly modulates and converts signals of the transmitter or the instrument through a semiconductor device, then carries out isolation conversion through a light sensing or magnetic sensing device, then carries out demodulation conversion to the original signals before isolation, and simultaneously carries out isolation processing on a power supply of the isolated signals, thereby ensuring absolute independence among the converted signals, the power supply and the ground.

The invention discloses a novel multifunctional signal isolator according to Chinese patent with publication number CN213522919U, which adds a heat radiation structure to radiate heat in the isolator at any time and increase the isolation effect of the isolator, and the device is convenient to install and operate, has higher safety and stability and is worthy of popularization; meanwhile, in the utility model, the clamping block is clamped into the clamping groove and the isolator is fixed under the action of the spring, but when the isolator is collided and moves, the clamping block is still pushed to move, so that the clamping block moves out of the clamping groove, the isolator is unstable and easy to move, and the fixing efficiency of the isolator is reduced; meanwhile, the radiating holes are formed in the surface of the radiating seat, so that heat generated by the operation of the isolator can be dissipated through the radiating holes, when heat dissipation is not needed, external dust can enter the inside of the radiating seat through the radiating holes all the time and is attached to one surface, close to the mounting plate, of the radiating net, a large amount of dust is attached to the radiating net due to long-time falling, the radiating net can be blocked, the circulation efficiency of subsequent air is influenced, and the radiating efficiency of the isolator is reduced.

Disclosure of Invention

Therefore, the invention aims to provide a loop isolator disengaging safety device to solve the technical problem that the instability of the isolator fixation and the surface of a radiating net close to a mounting plate are easy to adhere with a large amount of dust to influence the radiating efficiency.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a circuit isolator breaks away from safety device, includes the mounting panel, the draw-in groove has been seted up to one side of mounting panel, the inside joint of draw-in groove has the fixture block, the radiating seat is installed to one side of fixture block, the inserting groove has been seted up to one side of radiating seat, it has the isolator to peg graft in the inside of inserting groove, the cavity has all been seted up to the inside top and the inside below of radiating seat, the inside of cavity is provided with the joint subassembly, the louvre has been seted up to surface one side of radiating seat, the internally mounted of louvre has the dust screen, the surface of radiating seat is provided with the shutoff subassembly.

Through adopting above-mentioned technical scheme, the fixture block card is gone into to the inside back of draw-in groove, and the user can install the radiating seat fast, and the isolator inserts to be convenient for after the inserting groove is inside to its spacing fixed simultaneously, and the heat accessible louvre effluvium that the isolator work produced, and the reducible dust volume that gets into to the inserting groove inside that sets up of dust screen simultaneously.

Furthermore, the clamping assembly comprises a bearing arranged above one side and below one side of the heat radiating seat, a plurality of first springs fixed on one side inside the cavity, a baffle plate and a plurality of second springs fixed on the upper side inside the cavity, a slide rod fixed inside the cavity and clamping holes arranged at the top and the bottom of the isolator, movable rods are fixed at the bottom ends of the second springs, a plurality of clamping rods are fixed at the top of one movable rod and the bottom of the other movable rod, and a top block is arranged at the bottom of one movable rod and the top of the other movable rod, a push block is fixed at one end of the first spring, a pressure rod extending to the outside of the heat dissipation seat is fixed at one side of the push block, the one end of depression bar is fixed with the briquetting, the spacing groove has been seted up to the surface of briquetting, the sliding sleeve has been cup jointed to the surface of slide bar, the limiting plate is installed through the damping pivot to the one end of bearing.

Through adopting above-mentioned technical scheme, when the isolator inserted to the inserting groove inside and need be to its spacing fixed, the briquetting was pressed to the user's accessible, and the briquetting can drive the depression bar and remove and tensile first spring, can drive the ejector pad simultaneously and remove, and the ejector pad contacts the back with the kicking block, along with the ejector pad continuously removes it can promote the kicking block and remove for the movable rod drives the kelly and removes, then can make the kelly card go into to the downthehole portion of card, so that spacing to the isolator.

Furthermore, one side of the sliding sleeve is connected with one end of a movable rod, the movable rod is connected with the sliding rod in a sliding mode through the sliding sleeve, and the pushing block is located on one side of the ejecting block.

Through adopting above-mentioned technical scheme, when the movable rod removed, it can drive the sliding sleeve and remove, and the movable rod can stretch or extrude the second spring, can extrude the kicking block when the ejector pad removed simultaneously.

Furthermore, the number of the clamping rods corresponds to the number of the clamping holes, the clamping rods are matched with the clamping holes, and the limiting plates are matched with the limiting grooves.

Through adopting above-mentioned technical scheme, can make the kelly card go into to the card downthehole portion, can carry out spacing fixed to the isolator then, prevent that the isolator from removing at will.

Further, the shutoff subassembly is including installing in the wire wheel of radiating seat top and bottom, being fixed in the stay cord at sliding sleeve top and seting up the spout in the radiating seat surface, the inside top and the inside below of spout all are fixed with reset spring, reset spring's one end is connected with the slider, the shutoff board is installed through the connecting rod in one side of slider.

Through adopting above-mentioned technical scheme, when the isolator was taken out, the sliding sleeve removed the stay cord that can loosen this moment, reset spring recovered elasticity and tensile then promoted the slider and reset this moment, and the slider resets and can drive the shutoff board and reset for two shutoff boards fold and block up the louvre, and the shutoff in-process can clear up the adnexed dust in dust screen surface, prevent that the dust from covering the surface at the dust screen always, has improved the cleaning efficiency to the dust screen surface then.

Furthermore, the plugging plate is semicircular, the plugging plate is connected with the sliding groove in a sliding mode through the connecting rod and the sliding block, and the back of the plugging plate is in contact with the outer surface of the heat dissipation seat.

Through adopting above-mentioned technical scheme, can drive the slider removal when shutoff board reciprocates to make the slider slide in the spout is inside, and extrude or stretch reset spring.

Furthermore, the diameter of shutoff board is greater than the diameter of louvre, the one end of stay cord is connected through the wire wheel and with the top of shutoff board.

Through adopting above-mentioned technical scheme, can pull up the shutoff board when the stay cord is rolled up to make the shutoff board no longer shutoff louvre, the inside heat of radiating seat alright through the louvre effluvium this moment.

Furthermore, the fixture block is fixedly connected with the mounting plate through a fastening bolt, a radiating net is fixed inside the insertion groove, limiting blocks are fixed above and below the insertion groove, and one side of the isolator is in contact with the limiting blocks.

Through adopting above-mentioned technical scheme, user's accessible fastening bolt is fixed the fixture block, prevents that the fixture block from removing at will, and the setting of stopper can prevent that the isolator from further immigrating to the inside of inserting groove simultaneously.

In summary, the invention mainly has the following beneficial effects:

1. by arranging the clamping component, when the isolator is inserted into the inserting groove and needs to be limited and fixed, a user can press the pressing block, the pressing block can drive the pressing rod to move and stretch the first spring, and simultaneously drive the pushing block to move, after the pushing block is contacted with the pushing block, the pushing block can be pushed to move along with the continuous movement of the pushing block, so that the movable rod drives the clamping rod to move, the clamping rod can be clamped into the clamping hole to limit the isolator, then the limiting plate is rotated to enable the limiting plate and the limiting groove to be positioned on the same horizontal straight line, then the pressing block is loosened, the first spring recovers elasticity and drives the pressing block to slightly move, the limiting plate can be clamped into the limiting groove, the pressing block can be limited and prevented from moving, so that the clamping rod can not move out of the clamping hole, the clamping rod can be limited to the isolator at all times, and the fixing efficiency of the isolator is improved, the situation that the isolator moves due to instable fixation is avoided;

2. according to the invention, the plugging assembly is arranged, when the isolator is taken out, the sliding sleeve moves at the moment to release the pull rope, the reset spring recovers elasticity and stretches to push the sliding block to reset, the sliding block resets to drive the plugging plates to reset, so that the two plugging plates are folded and the heat dissipation holes are plugged, dust attached to the surface of the dustproof net can be cleaned in the plugging process, the dust is prevented from being covered on the surface of the dustproof net all the time, the cleaning efficiency of the surface of the dustproof net is improved, after the heat dissipation holes are plugged by the plugging plates, external dust can be prevented from entering the inner part of the insertion groove through the heat dissipation holes, more dust cannot be attached to one surface of the radiating net close to the mounting plate, the dust is prevented from being covered on the radiating net, and heat generated by the work of a subsequent isolator can be discharged through the radiating net and the heat dissipation holes.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic overall front view of the present invention;

FIG. 3 is a schematic view of the overall front cross-section of the present invention;

FIG. 4 is a schematic perspective partial structure view of the active lever of the present invention;

FIG. 5 is a schematic perspective partial structure view of a press block of the present invention;

fig. 6 is a schematic perspective partial structure view of the plugging plate of the present invention.

In the figure: 1. mounting a plate; 2. a card slot; 3. a clamping block; 4. fastening a bolt; 5. a heat dissipation base; 6. a cavity; 7. an isolator; 8. a clamping assembly; 801. briquetting; 802. a limiting groove; 803. a limiting plate; 804. a damping rotating shaft; 805. a bearing; 806. a first spring; 807. a second spring; 808. a movable rod; 809. a push block; 810. a pressure lever; 811. a baffle plate; 812. a clamping rod; 813. a sliding sleeve; 814. a slide bar; 815. a clamping hole; 816. a top block; 9. a plugging component; 901. a wire guide wheel; 902. pulling a rope; 903. a plugging plate; 904. a return spring; 905. a slider; 906. a chute; 907. a connecting rod; 10. a heat-dissipating web; 11. heat dissipation holes; 12. a dust screen; 13. and (4) inserting grooves.

Detailed Description

The technical solution in 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. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

A loop isolator disengaging safety device is disclosed, as shown in figure 1, figure 2 and figure 3, comprising a mounting plate 1, a clamping groove 2 is arranged on one side of the mounting plate 1, a clamping block 3 is clamped in the clamping groove 2, a heat radiating seat 5 is arranged on one side of the clamping block 3, after the clamping block 3 is clamped in the clamping groove 2, a user can quickly mount the heat radiating seat 5, an inserting groove 13 is arranged on one side of the heat radiating seat 5, an isolator 7 is inserted in the inserting groove 13, the clamping block 3 is fixedly connected with the mounting plate 1 through a fastening bolt 4, a heat radiating net 10 is fixed in the inserting groove 13, a limiting block is fixed above and below the inside of the inserting groove 13, one side of the isolator 7 is contacted with the limiting block, the user can fix the clamping block 3 through the fastening bolt 4 to prevent the clamping block 3 from moving randomly, and the setting of the limiting block can prevent the isolator 7 from further moving into the inserting groove 13, isolator 7 inserts and is convenient for to its spacing fixed after 13 are inside to inserting groove, cavity 6 has all been seted up to the inside top and the inside below of radiating seat 5, the inside of cavity 6 is provided with joint subassembly 8, louvre 11 has been seted up to surface one side of radiating seat 5, the internally mounted of louvre 11 has dust screen 12, the heat accessible louvre 11 effluvium that isolator 7 work produced, the reducible dust volume that gets into to 7 inside of inserting groove of setting up of dust screen 12 simultaneously, the surface of radiating seat 5 is provided with shutoff subassembly 9.

Referring to fig. 1, 2, 3, 4 and 5, the latch assembly 8 includes a bearing 805 installed above and below one side of the heat sink 5, a plurality of first springs 806 fixed at one side inside the cavity 6, a baffle 811 and a plurality of second springs 807 fixed at an upper side inside the cavity 6, a sliding rod 814 fixed inside the cavity 6, and a latch hole 815 opened at the top and bottom of the isolator 7, a movable rod 808 fixed at the bottom end of the plurality of second springs 807, a plurality of latch rods 812 fixed at both the top of one movable rod 808 and the bottom of the other movable rod 808, a top block 816 installed at both the bottom of one movable rod 808 and the top of the other movable rod 808, a push block 809 fixed at one end of the first spring 806, a press rod 810 fixed at one side of the push block 809 and extending to the outside of the heat sink 5, a press block 801 fixed at one end of the press rod 810, a limit groove 802 opened at the outer surface of the press block 801, when the isolator 7 is inserted into the insertion slot 13 and needs to be limited and fixed, a user can press the press block 801, the press block 801 can drive the press rod 810 to move and stretch the first spring 806, and simultaneously drive the push block 809 to move, after the push block 809 contacts with the push block 816, the push block 816 can be driven to move along with the continuous movement of the push block 809, so that the movable rod 808 drives the clamp rod 812 to move, and then the clamp rod 812 can be clamped into the clamp hole 815 to limit the isolator 7, a slide sleeve 813 is sleeved on the outer surface of the slide rod 814, one side of the slide sleeve 813 is connected with one end of the movable rod 808, the movable rod 808 is connected with the slide rod 814 through the slide sleeve 813 in a sliding manner, when the movable rod 808 moves, the movable rod can drive the slide sleeve 813 to move, the push block 809 is located on one side of the push block 816, one end of the bearing 805 is provided with the limit plate 803 through the damping rotating shaft 804, the number of the clamp rods 812 corresponds to the number of the clamp holes 815, the clamping rod 812 is matched with the clamping hole 815, the limiting plate 803 is matched with the limiting groove 802, the clamping rod 812 can be clamped into the clamping hole 815, and then the isolator 7 can be limited and fixed, so that the isolator 7 is prevented from moving randomly.

Referring to fig. 1, 2, 3 and 6, the plugging assembly 9 includes a wire guiding wheel 901 installed at the top and bottom of the heat dissipating seat 5, a pulling rope 902 fixed at the top of the sliding sleeve 813, and a sliding slot 906 opened at the outer surface of the heat dissipating seat 5, wherein a return spring 904 is fixed above and below the inside of the sliding slot 906, one end of the return spring 904 is connected with a sliding block 905, when the isolator 7 is taken out, the sliding sleeve 813 moves to release the pulling rope 902, the return spring 904 recovers elasticity and stretches to push the sliding block 905 to return, the sliding block 905 returns to drive the plugging plate 903 to return, so that the two plugging plates 903 are closed and plug the heat dissipating hole 11, and the dust attached to the surface of the dust screen 12 can be cleaned during plugging, the dust is prevented from covering the surface of the dust screen 12 all the time, the cleaning efficiency of the surface of the dust screen 12 is improved, one side of the sliding block 905 is provided with the plugging plate 903 through a connecting rod 907, the diameter of shutoff board 903 is greater than the diameter of louvre 11, wire wheel 901 is passed through and is connected with the top of shutoff board 903 to the one end of stay cord 902, shutoff board 903 semicircular in shape, shutoff board 903 passes through connecting rod 907 and slider 905 and spout 906 sliding connection, the back of shutoff board 903 contacts with the surface of radiating seat 5, when shutoff board 903 reciprocates, can drive slider 905 and remove, and make slider 905 slide in spout 906 inside, simultaneously stay cord 902 can pull up shutoff board 903 when being rolled, so that shutoff board 903 no longer blocks up louvre 11, the inside heat of radiating seat 5 alright dispel through louvre 11 this moment.

The implementation principle of the embodiment is as follows: firstly, a user can insert the fixture block 3 into the clamping groove 2, and fix the fixture block 3 by the fastening bolt 4, thereby preventing the heat sink 5 from moving, then the mounting seat 1 is mounted on the clamping plate, then the isolator 7 is inserted into the insertion groove 13, and by pressing the pressing block 801, the pressing block 801 can drive the pressing rod 810 to move and stretch the first spring 806, and simultaneously drive the pushing block 809 to move, after the pushing block 809 contacts with the pushing block 816, the pushing block 809 can push the pushing block 816 to move along with the continuous movement of the pushing block 809, so that the movable rod 808 drives the clamping rod 812 and the sliding sleeve 813 to move, and then the clamping rod 812 can be clamped into the clamping hole 815 to limit the isolator 7, then the limiting plate 803 is rotated to enable the limiting plate 803 and the limiting groove 802 to be in the same horizontal straight line, then the pressing block 801 is loosened, the first spring 806 recovers elasticity and drives the pressing block 801 to slightly move, so that the limiting plate 803 can be clamped into the limiting groove 802, the pressing block 801 can be limited to prevent the pressing block from moving, so that the clamping rod 812 can be prevented from moving out of the clamping hole 815, the clamping rod 812 can limit the isolator 7 all the time, the sliding sleeve 813 can pull the pull rope 902 when moving, the pull rope 902 can pull the blocking plate 903 to move after being pulled, the sliding block 905 can slide in the sliding groove 906 and extrude the return spring 904, the return spring 904 is stressed and compressed, the two blocking plates 903 are not blocked by the heat dissipation holes 11 after being separated, heat generated by the operation of the isolator 7 can be dissipated through the heat dissipation holes 11, when the isolator 7 is taken out, the sliding sleeve 813 moves to release the pull rope 902, the return spring 904 recovers elasticity and stretches the sliding block 905 to push the sliding block 905 to reset, the heat dissipation holes 905 can drive the blocking plates 903 to reset, the two blocking plates 903 are folded and block the heat dissipation holes 11, and dust attached to the surface of the net 12 can be cleaned in the blocking process, and the inside that can prevent outside dust from entering into inserting groove 13 through louvre 11 after shutoff louvre 11 is blocked to shutoff board 903 for the one side that radiator net 10 is close to mounting panel 1 can not adhere to there be more dust, ensures that follow-up isolator 7 work produced heat accessible radiator net 10 and louvre 11 and discharges.

Although embodiments of the present invention have been shown and described, it is intended that the present invention should not be limited thereto, that the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples, and that modifications, substitutions, variations or the like, which are not inventive and may be made by those skilled in the art without departing from the principle and spirit of the present invention and without departing from the scope of the claims.

Claims

1. A circuit isolator disconnect safety device comprising a mounting plate (1), characterized in that: draw-in groove (2) have been seted up to one side of mounting panel (1), the inside joint of draw-in groove (2) has fixture block (3), radiating seat (5) are installed to one side of fixture block (3), inserting groove (13) have been seted up to one side of radiating seat (5), it has isolator (7) to peg graft in the inside of inserting groove (13), cavity (6) have all been seted up to the inside top and the inside below of radiating seat (5), the inside of cavity (6) is provided with joint subassembly (8), louvre (11) have been seted up to surface one side of radiating seat (5), the internally mounted of louvre (11) has dust screen (12), the surface of radiating seat (5) is provided with shutoff subassembly (9).

2. A circuit isolator disconnect safety device as defined in claim 1, wherein: the clamping assembly (8) comprises a bearing (805) arranged above and below one side of the heat radiating seat (5), a plurality of first springs (806) fixed on one side inside the cavity (6), a baffle plate (811) and a plurality of second springs (807) fixed on the upper side inside the cavity (6), a sliding rod (814) fixed inside the cavity (6) and clamping holes (815) formed in the top and the bottom of the isolator (7), a plurality of movable rods (808) are fixed at the bottom ends of the second springs (807), a plurality of clamping rods (812) are fixed at the top of one movable rod (808) and the bottom of the other movable rod (808), a top block (816) is arranged at the bottom of one movable rod (808) and the top of the other movable rod (808), a push block (809) is fixed at one end of the first spring (809), and a pressure rod (810) extending to the outside of the heat radiating seat (5) is fixed at one side of the push block (809), one end of the pressure lever (810) is fixed with a pressing block (801), the outer surface of the pressing block (801) is provided with a limiting groove (802), the outer surface of the sliding rod (814) is sleeved with a sliding sleeve (813), and one end of the bearing (805) is provided with a limiting plate (803) through a damping rotating shaft (804).

3. A circuit isolator disconnect safety device as defined in claim 2, wherein: one side of the sliding sleeve (813) is connected with one end of the movable rod (808), the movable rod (808) is connected with the sliding rod (814) in a sliding mode through the sliding sleeve (813), and the push block (809) is located on one side of the ejector block (816).

4. A circuit isolator disconnect safety device as defined in claim 2, wherein: the number of the clamping rods (812) corresponds to the number of the clamping holes (815), the clamping rods (812) are matched with the clamping holes (815), and the limiting plate (803) is matched with the limiting groove (802).

5. A circuit isolator disconnect safety device as defined in claim 2, wherein: plugging component (9) are including installing wire wheel (901) in radiating seat (5) top and bottom, be fixed in stay cord (902) at sliding sleeve (813) top and offer spout (906) in radiating seat (5) surface, the inside top and the inside below of spout (906) all are fixed with reset spring (904), the one end of reset spring (904) is connected with slider (905), plugging plate (903) are installed through connecting rod (907) to one side of slider (905).

6. A circuit isolator disconnect safety device as defined in claim 5, wherein: the blocking plate (903) is semicircular, the blocking plate (903) is connected with the sliding groove (906) in a sliding mode through a connecting rod (907) and a sliding block (905), and the back of the blocking plate (903) is in contact with the outer surface of the heat dissipation seat (5).

7. A circuit isolator breakaway safety device as in claim 5 wherein: the diameter of the blocking plate (903) is larger than that of the heat dissipation hole (11), and one end of the pull rope (902) is connected with the top of the blocking plate (903) through a wire guide wheel (901).

8. A circuit isolator disconnect safety device in accordance with claim 1, wherein: the fixture block (3) is fixedly connected with the mounting plate (1) through a fastening bolt (4), a radiating net (10) is fixed inside the insertion groove (13), limiting blocks are fixed above and below the inside of the insertion groove (13), and one side of the isolator (7) is in contact with the limiting blocks.