CN216598955U - Microcomputer relay protection device for power equipment - Google Patents

Abstract

The utility model discloses a microcomputer relay protection device for power equipment relates to electrical equipment technical field. This microcomputer relay protection device for power equipment, which comprises a housin, the side of casing is provided with the air-out pipeline, has seted up the air-out groove in the air-out pipeline, is provided with the dust screen in the air-out groove, and the fixed inlaying of center department of dust screen has the embedding piece, and the axis of rotation has been cup jointed in the activity on the embedding piece, fixedly connected with drive flabellum in the axis of rotation, fixedly connected with connecting plate on the surface of casing one end is kept away from to the axis of rotation. This microcomputer relay protection device for power equipment has driven the brush through the connecting plate in step and has slided along the surface of dust screen to form the effect that cleans on the dust screen, avoided the device too much dust jam problem on the dust screen when using for a long time like this, ensured the air-out effect of dust screen, avoided too much hot-blast gathering as far as possible in the casing, further improved the device's radiating effect.

Description

Microcomputer relay protection device for power equipment

Technical Field

The utility model relates to an electrical equipment technical field, in particular to microcomputer relay protection device for power equipment.

Background

When a power element (such as a generator, a line and the like) in a power system or the power system itself has a fault, which endangers the safe operation of the power system, an automatic measure and equipment which can send a warning signal to an operation attendant in time or directly send a tripping command to a controlled breaker to terminate the development of the events are provided, and a complete set of equipment for realizing the automatic measure is generally called a relay protection device.

Relevant patent technologies are retrieved: the utility model provides a microcomputer relay protection device for power equipment, this scheme provides microcomputer relay protection device can produce a large amount of thermal problem in the course of the work, and this scheme adopts the refrigerator to cool down the water in the water tank, and the water after recycling the cooling cools down the air, discharges the air after the cooling into the casing again and carries out the heat transfer with the workspace, and the air after the heat transfer is discharged from the air outlet.

However, the scheme has certain disadvantages in the using process: although this scheme is provided with the dust screen at the air outlet, but does not set up clearance mechanism on the dust screen, just so cause that more dust can adhere to on the dust screen under the long-time in service behavior of this relay protection device, just so the condition that the dust blockked up out the dust screen mesh appears easily, has influenced the air-out effect of this scheme like this to cause too much hot-blast gathering in relay protection device, influenced the radiating effect of the device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a microcomputer relay protection device for power equipment, can solve the dust and block up out the condition of dust screen mesh, influenced the air-out effect of this scheme like this to cause too much hot-blast gathering in relay protection device, influenced the device's radiating effect's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a microcomputer relay protection device for power equipment, which comprises a housin, the side of casing is provided with the air-out pipeline, air-out pipeline has seted up the air-out groove that extends the relative both sides surface of air-out pipeline, one side inner wall that the casing was kept away from to the air-out groove on the air-out pipeline is provided with the dust screen, the fixed embedding of center department of dust screen has the embedded piece, the axis of rotation has been cup jointed in the activity on the embedded piece, the axis of rotation extends into the air-out inslot towards the one end of casing, the axis of rotation is located one of air-out inslot and serves fixedly connected with drive flabellum, fixedly connected with connecting plate on the surface of casing one end is kept away from to the axis of rotation, the connecting plate is towards one side of dust screen on the surface fixedly connected with the brush of dust screen contact.

Preferably, the section of the air outlet groove is in an isosceles trapezoid shape, and the air outlet groove is communicated with the inside of the shell.

Preferably, the outer fixed surface of dust screen has cup jointed annular frame, and annular frame's outer fixed surface is connected with two butt joint pieces that are the mirror image setting, and the air-out pipeline is kept away from one side of casing and is seted up two on the surface with the butt joint groove of butt joint piece looks adaptation, two butt joint grooves all communicate with each other with the air-out groove.

Preferably, two built-in cavities are formed in the air outlet pipeline, a fixing rod is slidably connected into each built-in cavity, the fixing rod penetrates into the butt joint groove towards one end of the butt joint groove and is slidably connected with the inner wall of the air outlet pipeline, a fixing hole is formed in the surface of one side, facing the fixing rod, of the butt joint block, and meanwhile the fixing rod is located at one end of the butt joint groove and extends into the fixing hole.

Preferably, an inclined plane is arranged on one side, facing the fixing rod, of the butt joint block, the fixing rod is located in the built-in cavity, one end, far away from the fixing rod, of the connecting pull rod penetrates through the outer surface of the air outlet pipeline and is in sliding connection with the inner wall of the air outlet pipeline, one end, located outside the air outlet pipeline, of the connecting pull rod is connected with the pull block, and a reset spring movably sleeved on the connecting pull rod is fixedly connected to one side, facing the connecting pull rod, of the fixing rod on the surface.

Preferably, the rotating shaft is rotatably connected with the embedded block.

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

(1) this microcomputer relay protection device for power equipment has driven the brush through the connecting plate in step along the surperficial slip of dust screen to form the effect that cleans on the dust screen, avoided the device too much dust jam problem on the dust screen when using for a long time like this, ensured the air-out effect of dust screen, avoided too much hot-blast gathering as far as possible in the casing, further improved the device's radiating effect.

(2) This microcomputer relay protection device for power equipment sets up to isosceles trapezoid shape through the cross-section with the air-out groove, consequently increases when the air current is the extrusion back velocity of flow through the air-out groove, has further increased the thrust of air current to the drive flabellum through this kind of mode to guarantee the smoothness nature when drive flabellum is rotatory, prevented the condition that the drive flabellum can not rotate, ensured the stability when this mechanism moves.

(3) This microcomputer relay protection device for power equipment has simplified the installation step to annular support and has demolishd the step, and the staff of being convenient for like this is to annular support installation or demolish to the staff of being convenient for overhauls or changes the dust screen, has further reduced staff's working strength, has improved the efficiency when overhauing the dust screen.

Drawings

The invention will be further described with reference to the following figures and examples:

fig. 1 is a schematic structural diagram of a microcomputer relay protection device for power equipment according to the present invention;

fig. 2 is a cross-sectional view of the air outlet pipeline of the utility model;

FIG. 3 is a schematic view of the annular bracket of the present invention;

fig. 4 is a top plan view of the air outlet duct of the present invention.

Reference numerals: the fan comprises a shell 1, an air outlet pipeline 2, an air outlet groove 3, an annular support 4, a dust screen 5, an embedded block 6, a rotating shaft 7, a driving fan blade 8, a connecting plate 9, a brush 10, an abutting block 11, an abutting groove 12, a built-in cavity 13, a fixing rod 14, a fixing hole 15, a connecting pull rod 16, a pull block 17 and a reset spring 18.

Detailed Description

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a microcomputer relay protection device for power equipment, which comprises a housin 1, the side of casing 1 is provided with air-out pipeline 2, it extends the air-out groove 3 on the relative both sides surface of air-out pipeline 2 to open in the air-out pipeline 2, and air-out groove 3 communicates with each other with casing 1 is inside, the cross-section of air-out groove 3 sets up to isosceles trapezoid shape, be provided with refrigeration heat transfer device on the casing 1 simultaneously, refrigeration heat transfer device does not do too much repeated here for the known technology among the prior published patent CN213755468U, consequently, blow to cold wind in to casing 1 through refrigeration heat transfer device, make cold wind form the cooling effect to electronic component in the casing 1, final cold wind is blown out by air-out groove 3 of air-out pipeline 2.

Further, one side that casing 1 was kept away from to air-out groove 3 on the air-out pipeline 2 is provided with annular support 4, the inner circle fixedly connected with dust screen 5 of annular support 4, the fixed embedding of center department of dust screen 5 has embedded piece 6, rotation axis 7 has been cup jointed in the activity on the embedded piece 6, rotation axis 7 rotates with embedded piece 6 to be connected, rotation axis 7 extends into air-out groove 3 towards the one end of casing 1 in, and rotation axis 7 is located one of air-out groove 3 and serves fixedly connected with drive flabellum 8, consequently, form the air current when the cold wind in casing 1 passes through air-out groove 3 and discharges, the air current forms drive power to drive flabellum 8, thereby make drive flabellum 8 drive rotation axis 7 synchronous rotation that carries on.

Further set up the cross-section of air-out groove 3 into isosceles trapezoid shape in this embodiment, consequently increased the air current to drive flabellum 8's thrust after the extrusion of air-out groove 3 when the air current through this kind of mode to guarantee the smoothness nature when driving flabellum 8 is rotatory, prevented that driving flabellum 8 from rotating the condition not, ensured the stability when this mechanism moves.

Further, fixedly connected with connecting plate 9 on the surface of 1 one end of casing is kept away from to axis of rotation 7, connecting plate 9 is towards one side of dust screen 5 on the surface fixedly connected with brush 10 with the contact of dust screen 5, consequently when axis of rotation 7 rotates, connecting plate 9 has driven brush 10 along the surperficial slip of dust screen 5 in step, thereby form the effect of cleaning on the dust screen 5, the problem of the device too much dust jam on dust screen 5 when using for a long time has been avoided like this, the air-out effect of dust screen 5 has been ensured.

Referring to fig. 3-4, further, the outer surface of the annular bracket 4 is fixedly connected with two butt-joint blocks 11 arranged in a mirror image manner, two butt-joint grooves 12 matched with the butt-joint blocks 11 are formed on the surface of one side of the air outlet pipeline 2 away from the housing 1, and the two butt-joint grooves 12 are both communicated with the air outlet groove 3, so that when the annular bracket 4 is installed in the air outlet groove 3 of the air outlet pipeline 2, the butt-joint blocks 11 on the annular bracket 4 are butt-jointed with the butt-joint grooves 12 on the air outlet pipeline 2.

Further, two built-in cavities 13 are formed in the air outlet pipeline 2, fixing rods 14 are connected in the built-in cavities 13 in a sliding mode, the fixing rods 14 penetrate into the butt joint grooves 12 towards one ends of the butt joint grooves 12 and are connected with the inner walls of the air outlet pipeline 2 in a sliding mode, fixing holes 15 are formed in the surfaces of one sides, facing the fixing rods 14, of the butt joint blocks 11, meanwhile, the fixing rods 14 are located in the butt joint grooves 12, one ends of the fixing rods extend into the fixing holes 15, the butt joint blocks 11 are fixed through the fixing rods 14, and therefore the annular support 4 is fixed to the air outlet pipeline 2.

Furthermore, an inclined surface is formed on one side of the butt joint block 11 facing the fixing rod 14, a connecting pull rod 16 is fixedly connected to one end of the fixing rod 14 positioned in the built-in cavity 13, one end of the connecting pull rod 16 far away from the fixing rod 14 penetrates through the outer surface of the air outlet pipeline 2 and is in sliding connection with the inner wall of the air outlet pipeline 2, a pull block 17 is fixedly connected to one end of the connecting pull rod 16 positioned outside the air outlet pipeline 2, a return spring 18 movably sleeved on the connecting pull rod 16 is fixedly connected to one side surface of the fixing rod 14 facing the connecting pull rod 16, and the other end of the return spring 18 is fixedly connected to the inner wall of the built-in cavity 13, so that when the butt joint block 11 extends into the butt joint groove 12, the inclined surface on the butt joint block 11 is in contact with the fixing rod 14, and thus the butt joint block 11 forms an extrusion force on the fixing rod 14, so that the fixing rod 14 is displaced to one side of the built-in cavity 13, and the return spring 18 contracts under the stress, when butt joint piece 11 extends into in butt joint groove 12 completely, dead lever 14 and fixed orifices 15 are in same horizontal position, and dead lever 14 extends into fixed orifices 15 under reset spring 18's the promotion like this to accomplish the fixed to ring carrier 4, when needs demolish the dust screen, through dragging piece 17, thereby has driven dead lever 14 in step and has extended fixed orifices 15, just so can demolish ring carrier 4.

The working principle is as follows: when a microcomputer relay protection device for power equipment uses, blow to cold wind in to casing 1 through refrigeration heat transfer device for cold wind forms the cooling effect to electronic component in the casing 1, and finally cold wind is blown off by the air-out groove 3 of air-out pipeline 2, and the air current that cold wind formed forms drive power to drive flabellum 8, thereby makes drive flabellum 8 drive axis of rotation 7 in step and rotates, and connecting plate 9 has driven brush 10 along the surperficial slip of dust screen 5 in step like this, thereby forms the effect of cleaning on the dust screen 5.

When the dust screen needs to be removed, the pulling block 17 is pulled, so that the fixing rod 14 is synchronously driven to extend out of the fixing hole 15, the annular support 4 can be removed, when the dust screen needs to be installed, the butt joint block 11 extends into the butt joint groove 12, the inclined surface on the butt joint block 11 is in contact with the fixing rod 14, the butt joint block 11 forms extrusion force on the fixing rod 14, so that the fixing rod 14 displaces towards one side of the built-in cavity 13, meanwhile, the reset spring 18 is stressed to contract, when the butt joint block 11 completely extends into the butt joint groove 12, the fixing rod 14 and the fixing hole 15 are located at the same horizontal position, and the fixing rod 14 extends into the fixing hole 15 under the pushing of the reset spring 18, so that the annular support 4 is fixed.

Claims (6)

1. A microcomputer relay protection device for power equipment is characterized in that: including casing (1), the side of casing (1) is provided with air-out pipeline (2), air-out pipeline (2) is seted up and is extended air-out groove (3) on the relative both sides surface of air-out pipeline (2), one side inner wall that casing (1) was kept away from in air-out groove (3) on air-out pipeline (2) is provided with dust screen (5), fixed the inlaying of center department of dust screen (5) has embedded piece (6), axis of rotation (7) have been cup jointed in the activity on embedded piece (6), axis of rotation (7) extend into air-out groove (3) towards the one end of casing (1), one of axis of rotation (7) is located air-out groove (3) serves fixedly connected with drive flabellum (8), fixedly connected with connecting plate (9) on the surface of casing (1) one end is kept away from in axis of rotation (7), one side of connecting plate (9) is facing dust screen (5) on the surface fixedly connected with brush (10) with and dust screen (5) contact.

2. The microcomputer relay protection device for the power equipment as claimed in claim 1, wherein: the section of the air outlet groove (3) is in an isosceles trapezoid shape, and the air outlet groove (3) is communicated with the inside of the shell (1).

3. The microcomputer relay protection device for the power equipment as claimed in claim 1, wherein: the outer fixed surface of dust screen (5) has cup jointed ring carrier (4), and the outer fixed surface of ring carrier (4) is connected with two butt joint pieces (11) that are the mirror image setting, and one side that casing (1) was kept away from in air-out pipeline (2) is seted up on the surface two and butt joint groove (12) of butt joint piece (11) looks adaptation, and two butt joint grooves (12) all communicate with each other with air-out groove (3).

4. The microcomputer relay protection device for the power equipment as claimed in claim 3, wherein: two built-in cavities (13) are formed in the air outlet pipeline (2), fixing rods (14) are connected in the built-in cavities (13) in a sliding mode, the fixing rods (14) penetrate into the butt joint grooves (12) towards one ends of the butt joint grooves (12) and are connected with the inner wall of the air outlet pipeline (2) in a sliding mode, fixing holes (15) are formed in the surface of one side, facing the fixing rods (14), of the butt joint block (11), and meanwhile one ends, located in the butt joint grooves (12), of the fixing rods (14) extend into the fixing holes (15).

5. The microcomputer relay protection device for the power equipment as claimed in claim 4, wherein: the utility model discloses a fan air conditioner, including butt joint piece (11), dead lever (14) are located one of built-in chamber (13) and serve fixedly connected with connecting rod (16), the one end that connecting rod (16) kept away from dead lever (14) runs through the surface of air-out pipeline (2) and with air-out pipeline (2) inner wall sliding connection, connecting rod (16) are located one of air-out pipeline (2) outer and serve fixedly connected with pull block (17), dead lever (14) are towards one side of connecting rod (16) on the surface fixedly connected with activity cup joint reset spring (18) on connecting rod (16).

6. The microcomputer relay protection device for the power equipment as claimed in claim 1, wherein: the rotating shaft (7) is rotatably connected with the embedded block (6).

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