CN210273501U

CN210273501U - A quick switching silicon controlled switch for harmonic is administered

Info

Publication number: CN210273501U
Application number: CN201920884696.7U
Authority: CN
Inventors: 廖小燕
Original assignee: Nanjing Sedying Electric Technology Co Ltd
Current assignee: Nanjing Sedying Electric Technology Co Ltd
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-04-07
Anticipated expiration: 2029-06-13

Abstract

The utility model relates to the technical field of switch, and a quick switching silicon controlled switch for harmonic is administered is disclosed, including the switch main part, switch main part bottom fixedly connected with one end open-ended casing, the casing opening part is connected with the fan frame through four fixed establishment, install heat dissipation frame in the casing, heat dissipation frame's upper end is connected with the switch main part through the leading-in stick of a plurality of, fin in the fixedly connected with a plurality of even equidistance in the heat dissipation frame, install clearance mechanism in the heat dissipation frame. The utility model discloses the radiating efficiency of fin has been improved for the radiating effect is better, avoids long-time use back, and impurity such as adnexed dust on the fin causes the heat radiating area of fin to reduce, and the fan of being convenient for and the separation of fan frame, the maintenance of the fan of being convenient for and the dust on the clearance fan avoid using the screw connection to dismantle inconvenient.

Description

A quick switching silicon controlled switch for harmonic is administered

Technical Field

The utility model relates to the technical field of switches, especially, relate to a quick switching silicon controlled switch for harmonic is administered.

Background

With the development of urban and rural power networks, the capacity of a power transmission and distribution system is continuously increased, the system integration degree is continuously improved, a silicon controlled switch is widely used, the silicon controlled switch is a silicon controlled (also called a thyristor) switch (or an electronic contactless power device module and a regulator) for harmonic wave treatment and reactive compensation fast switching, the silicon controlled switch is matched with a fast reactive power controller for use, the response speed is less than 20ms/50Hz and 17ms/60Hz, and the electrical structure of the silicon controlled switch mainly comprises a high-power anti-parallel thyristor module, an isolation circuit, a trigger circuit, a protection circuit, a driving circuit and a heat dissipation device. The device has the characteristics of simple installation, convenient maintenance, high response speed, no inrush current during switching, no noise during working, stable and reliable operation, open-phase protection and the like. The control circuit and the control signal of the controller adopt photoelectric isolation to avoid mutual interference, and the device is also an ideal device for switching the capacitor bank for the reactive power dynamic compensation device. Current silicon controlled switch's heat abstractor adopts fin and fan cooperation to use and dispels the heat, but long-time back of using, adheres to impurity such as dust on the fin easily, causes the heat radiating area of fin to reduce, has reduced the radiating efficiency of fin, and current fan board adopts the fix with screw with the casing, is difficult for the separation of fan and fan board, the maintenance of the fan of being not convenient for and the dust on the clearance fan.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art impurity such as dust adheres to on the fin easily, reduced the radiating efficiency of fin and the maintenance of the fan of being not convenient for and the problem of the dust on the clearance fan, and the quick switching silicon controlled switch who is used for the harmonic to administer that proposes.

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

the utility model provides a quick switching silicon controlled switch for harmonic is administered, includes the switch main part, switch main part bottom fixedly connected with one end open-ended casing, the casing opening part is connected with the fan frame through four fixed establishment, install heat dissipation frame in the casing, heat dissipation frame's upper end is connected with the switch main part through the leading-in stick of a plurality of, fin in the evenly equidistance fixedly connected with a plurality of in the heat dissipation frame, install clearance mechanism in the heat dissipation frame, through two play axle motors of connecting rod fixedly connected with on the casing inner wall, there is the bull stick two output motor's output through the coupling joint, the other end of bull stick extends to the fan frame, and installs the flabellum on its pole wall, the louvre has been seted up to one side symmetry that two play axle motors were kept away from to the casing.

Preferably, clearance mechanism includes reciprocal lead screw, reciprocal nut, two dead levers, spout, slider and two brushes, reciprocal lead screw passes through the shaft coupling and is connected with the output of two play axle motors, the other end of reciprocal lead screw passes through the bearing and is connected with casing inner shell wall rotation, reciprocal nut threaded connection is on the pole wall of reciprocal lead screw, two dead lever symmetry fixed connection is on reciprocal nut lateral wall, the spout is seted up on heat dissipation frame is close to the inside wall of switch main part, slider and spout sliding connection, the one end that switch main part was kept away from to the slider passes the spout notch and extends to heat dissipation frame in, and fixed connection is in the upper end of dead lever, two one side fixed connection that the brush is in opposite directions is on the dead lever pole wall, the brush hair end of brush extends to adjacent interior fin clearance.

Preferably, the fixing mechanism comprises an inserting rod, a slot, a positioning hole, a clamping block slot, a clamping block, a spring and a pull rod, the inserted bar is fixedly connected at the four corners of the fan frame, the slot is arranged at the position corresponding to the inserted bar on the casing, one end of the inserted bar far away from the fan frame passes through the slot opening of the slot and extends into the slot, the positioning hole is arranged on the rod wall, the clamping block groove is arranged on the slot wall, the clamping block groove is connected with the clamping block in a sliding way, one end of the clamping block close to the double-output-shaft motor sequentially passes through the notch of the clamping block groove and the positioning hole and is abutted against the groove wall corresponding to the clamping block groove, one end of the spring is fixedly connected with the bottom of the fixture block groove, the other end of the spring is fixedly connected with the fixture block, one end of the pull rod, which is close to the double-output-shaft motor, is fixedly connected with the fixture block, and the other end of the pull rod sequentially penetrates through the spring and the bottom of the fixture block groove and extends outwards.

Preferably, a plurality of outer radiating fins are fixedly connected to the outer side wall of the radiating frame uniformly and equidistantly.

Preferably, the fan frame is provided with a metal net at an opening far away from the double-output-shaft motor.

Preferably, one side of the casing is fixedly connected with a fixing plate, and the fixing plate is provided with a fixing hole.

Preferably, the bottom of the casing is provided with dust cleaning holes at positions close to the heat dissipation holes.

Preferably, one end of the pull rod, which is far away from the double-output-shaft motor, is fixedly connected with a handle.

Preferably, the limiting grooves are symmetrically formed in the opposite groove walls of the clamping block grooves, limiting blocks are connected in the limiting grooves in a sliding mode, and two opposite ends of the limiting blocks penetrate through the corresponding limiting groove openings and extend into the clamping block grooves and are fixedly connected to the corresponding side walls of the clamping blocks.

Compared with the prior art, the utility model provides a quick switching silicon controlled switch for harmonic is administered possesses following beneficial effect:

1. this a quick switching silicon controlled switch for harmonic is administered, through setting up switch main part, casing, interior fin, clearance mechanism, two play axle motors and deashing hole for the brush hair end of brush sweeps away the dust in the adjacent interior fin clearance, and discharges through the deashing hole, has improved the radiating efficiency of fin, makes the radiating effect better, avoids long-time the back of using, and adnexed impurity such as dust on the fin causes the heat radiating area of fin to reduce.

2. This a quick switching silicon controlled switch for harmonic is administered, through setting up fixed establishment and fan frame, only need the pulling pull rod for fan frame and casing and fan separation, the fan of being convenient for and the separation of fan frame, the maintenance of the fan of being convenient for and the dust on the clearance fan avoid using the screw connection to dismantle inconveniently.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses the radiating efficiency of fin has been improved for the radiating effect is better, avoids long-time use back, and adnexed impurity such as dust on the fin causes the heat radiating area of fin to reduce, and the fan of being convenient for and the separation of fan frame, the maintenance of the fan of being convenient for and the dust on the clearance fan avoid using the screw connection to dismantle inconvenient.

Drawings

Fig. 1 is a schematic structural diagram of a fast switching thyristor switch for harmonic suppression according to the present invention;

fig. 2 is a schematic diagram of the internal structure of the heat dissipation frame of the fast switching silicon controlled switch for harmonic suppression according to the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 1;

fig. 4 is an enlarged view of a portion B in fig. 1.

In the figure: the switch comprises a switch main body 1, a machine shell 2, a fixing mechanism 3, an inserting rod 31, a slot 32, a positioning hole 33, a clamping block groove 34, a clamping block 35, a spring 36, a pull rod 37, a fan frame 4, a heat dissipation frame 5, an inner heat dissipation fin 6, a cleaning mechanism 7, a reciprocating screw rod 71, a reciprocating nut 72, a fixing rod 73, a sliding groove 74, a sliding block 75, a brush 76, a double-output-shaft motor 8, a rotating rod 9, a heat dissipation hole 10, an outer heat dissipation fin 11, an ash cleaning hole 12, a limiting groove 13 and a limiting block 14.

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. 1-4, a fast switching silicon controlled switch for harmonic suppression comprises a switch main body 1, a casing 2 with one open end is fixedly connected at the bottom of the switch main body 1, the opening of the casing 2 is connected with a fan frame 4 through four fixing mechanisms 3, a heat dissipation frame 5 is installed in the casing 2, the upper end of the heat dissipation frame 5 is connected with the switch main body 1 through a plurality of leading-in bars, a plurality of inner radiating fins 6 are uniformly and equidistantly fixedly connected in the heat dissipation frame 5, a cleaning mechanism 7 is installed in the heat dissipation frame 5, a double-output shaft motor 8 is fixedly connected on the inner casing wall of the casing 2 through a connecting rod, the output end of the double-output shaft motor 8 is connected with a rotating rod 9 through a coupling, the other end of the rotating rod 9, and the pole wall is provided with fan blades, and one side of the casing 2 far away from the double-output-shaft motor 8 is symmetrically provided with heat dissipation holes 10 for conducting heat conduction and heat dissipation on the heat generated by the switch main body 1.

The cleaning mechanism 7 comprises a reciprocating screw rod 71, a reciprocating nut 72, two fixing rods 73, a sliding groove 74, a sliding block 75 and two brushes 76, wherein the reciprocating screw rod 71 is connected with the output end of the double-output-shaft motor 8 through a coupler, the other end of the reciprocating screw rod 71 is rotatably connected with the inner wall of the machine shell 2 through a bearing, the reciprocating nut 72 is in threaded connection with the rod wall of the reciprocating screw rod 71, the two fixing rods 73 are symmetrically and fixedly connected with the outer side wall of the reciprocating nut 72, the sliding groove 74 is arranged on the inner side wall, close to the switch main body 1, of the heat dissipation frame 5, the sliding block 75 is in sliding connection with the sliding groove 74, one end, far away from the switch main body 1, of the sliding block 75 penetrates through the notch of the sliding groove 74 and extends into the heat dissipation frame 5 and is fixedly connected with the upper ends of the fixing, when the double-output-shaft motor 8 is started to rotate for heat dissipation as a fan, the reciprocating screw rod 71 rotates, due to the limiting effect of the sliding groove 74 and the sliding block 75, the reciprocating nut 72 can reciprocate on the reciprocating screw rod 71 and drive the fixing rod 73 and the hairbrush 76 to reciprocate, dust in the gap between the adjacent inner radiating fins 6 can be swept by the bristle end of the hairbrush 76 and can be discharged through the dust cleaning hole 12, the heat dissipation efficiency of the radiating fins is improved, the heat dissipation effect is better, and after long-time use is avoided, impurities such as attached dust on the radiating fins are avoided, and the heat dissipation area of the radiating fins is reduced.

The fixing mechanism 3 comprises an inserting rod 31, a slot 32, a positioning hole 33, a clamping block groove 34, a clamping block 35, a spring 36 and a pull rod 37, the inserting rod 31 is fixedly connected at four corners of the fan frame 4, the slot 32 is arranged on the machine shell 2 at a position corresponding to the inserting rod 31, one end of the inserting rod 31 far away from the fan frame 4 penetrates through a notch of the slot 32 and extends into the slot 32, the positioning hole 33 is arranged on a rod wall of the inserting rod, the clamping block groove 34 is arranged on a groove wall of the slot 32, the clamping block groove 34 is connected with the clamping block 35 in a sliding mode, one end of the clamping block 35 close to the double-output-shaft motor 8 penetrates through a notch of the clamping block groove 34 and the positioning hole 33 in sequence and abuts against a groove wall corresponding to the clamping block groove 34, one end of the spring 36 is fixedly connected to the bottom of the clamping block groove 34, the other end of the spring 36 is fixedly connected to the clamping block 35, one end of the pull rod 37, when dust on the fan needs to be cleaned or lubricating oil needs to be dripped for maintenance, the pull rod 37 is pulled outwards, the pull rod 37 drives the clamping block 35 to move and extrude the spring 36, the clamping block 35 enters the clamping block groove 34, one end of the clamping block 35 is separated from the positioning hole 33, the fan rack 4 is pulled, the inserting rod 31 is separated from the slot 32, the fan rack 4 is separated from the machine shell 1 and the fan, the fan is separated from the fan rack 4 conveniently, the fan is maintained and cleaned of dust on the fan conveniently, the inconvenience of disassembling due to screw connection is avoided, when the fan rack 4 needs to be installed, the pull rod 37 is pulled again, the inserting rod 31 is inserted into the slot 32, the pulling force of the pull rod 37 is cancelled, the clamping block 35 is bounced into the clamping block groove 34, and the fan rack 4.

The outer side wall of the heat dissipation frame 5 is fixedly connected with a plurality of outer heat dissipation fins 11 at equal intervals, so that the heat dissipation effect of the heat dissipation frame 5 is better.

The fan frame 4 is kept away from the opening part of the double-output-shaft motor 8 and is provided with a metal net, so that the situation that the fingers of a worker touch the rotating fan by mistake is avoided.

One side of the casing 2 is fixedly connected with a fixing plate, and the fixing plate is provided with a fixing hole, so that the device is convenient to fix.

The bottom of the casing 2 is provided with a dust cleaning hole 12 near the heat dissipation hole 10, so that the cleaned dust can be discharged out of the casing 2.

One end of the pull rod 37 far away from the double-output-shaft motor 8 is fixedly connected with a handle, so that the pull rod 37 can move conveniently.

Spacing groove 13 has been seted up to the symmetry on the relative cell wall in fixture groove 34, and sliding connection has stopper 14 in the spacing groove 13, and two stopper 14 one ends in opposite directions pass and correspond spacing groove 13 notch and extend to fixture groove 34 in, and common fixed connection has spacing effect on the lateral wall that fixture block 35 corresponds, avoids fixture block 35 to break away from with fixture block groove 34 completely.

In the utility model, when the fan rotates to radiate heat, the reciprocating screw rod 71 rotates, because one side of the reciprocating nut 72 passes through the limit action of the chute 74 and the slider 75, the reciprocating nut 72 reciprocates on the reciprocating screw rod 71 to drive the fixed rod 73 and the brush 76 to reciprocate, so that the brush end of the brush 76 sweeps away the dust in the gap between the adjacent inner radiating fins 6 and discharges the dust through the dust cleaning hole 12, thereby improving the radiating efficiency of the radiating fins, ensuring better radiating effect, avoiding impurities such as dust and the like attached to the radiating fins after long-time use, reducing the radiating area of the radiating fins, when needing to clean the dust on the fan or dropping lubricating oil for maintenance, pulling the pull rod 37 outwards, the pull rod 37 drives the fixture block 35 to move and extrude the spring 36, the fixture block 35 enters the fixture block groove 34, one end of the fixture block 35 is separated from the positioning hole 33, pulling fan casing 4 for inserted bar 31 breaks away from slot 32, fan casing 4 and casing 1 and fan separation, the fan of being convenient for and fan casing 4's separation, the maintenance of the fan of being convenient for and the dust on the clearance fan, it is inconvenient to avoid using the screw connection to dismantle, when fan casing 4 is installed to needs, stimulate pull rod 37 again, insert inserted bar 31 in slot 32, cancel team pull rod 37's pulling force, make fixture block 35 spring into in fixture block groove 34, fan casing 4 is fixed with casing 1.

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. A fast switching silicon controlled switch for harmonic suppression comprises a switch main body (1) and is characterized in that the bottom of the switch main body (1) is fixedly connected with a casing (2) with one end open, the opening of the casing (2) is connected with a fan frame (4) through four fixing mechanisms (3), a heat dissipation frame (5) is installed in the casing (2), the upper end of the heat dissipation frame (5) is connected with the switch main body (1) through a plurality of leading-in bars, a plurality of inner radiating fins (6) are fixedly connected in the heat dissipation frame (5) at uniform equal intervals, a cleaning mechanism (7) is installed in the heat dissipation frame (5), a double-output-shaft motor (8) is fixedly connected on the inner casing wall of the casing (2) through a connecting rod, the output end of the double-output-shaft motor (8) is connected with a rotating rod (9) through a coupler, and the other end of the rotating rod (9) extends towards the fan frame, and the pole wall of the shell is provided with fan blades, and heat dissipation holes (10) are symmetrically formed in one side of the shell (2) far away from the double-output-shaft motor (8).

2. The rapid switching silicon controlled switch for harmonic suppression according to claim 1, wherein the cleaning mechanism (7) comprises a reciprocating lead screw (71), a reciprocating nut (72), two fixing rods (73), a sliding slot (74), a sliding block (75) and two brushes (76), the reciprocating lead screw (71) is connected with the output end of the double-output shaft motor (8) through a coupler, the other end of the reciprocating lead screw (71) is rotatably connected with the inner wall of the casing (2) through a bearing, the reciprocating nut (72) is screwed on the rod wall of the reciprocating lead screw (71), the two fixing rods (73) are symmetrically and fixedly connected on the outer side wall of the reciprocating nut (72), the sliding slot (74) is arranged on the inner side wall of the heat dissipation frame (5) close to the switch body (1), and the sliding block (75) is slidably connected with the sliding slot (74), one end of the sliding block (75) far away from the switch main body (1) penetrates through the groove opening of the sliding groove (74) and extends into the heat dissipation frame (5), the sliding block is fixedly connected to the upper end of the fixing rod (73), the two opposite sides of the hairbrush (76) are fixedly connected to the rod wall of the fixing rod (73), and the bristle end of the hairbrush (76) extends into the gap between the adjacent inner radiating fins (6).

3. The thyristor switch with fast switching for harmonic suppression as claimed in claim 1, wherein the fixing mechanism (3) comprises an insertion rod (31), a slot (32), a positioning hole (33), a clamping block slot (34), a clamping block (35), a spring (36) and a pull rod (37), the insertion rod (31) is fixedly connected to four corners of the fan frame (4), the slot (32) is opened on the casing (2) at a position corresponding to the insertion rod (31), one end of the insertion rod (31) far away from the fan frame (4) passes through the slot opening of the slot (32) and extends into the slot (32), the positioning hole (33) is opened on the rod wall, the clamping block slot (34) is opened on the slot wall of the slot (32), the clamping block slot (34) is slidably connected with the clamping block (35), and one end of the clamping block (35) close to the dual-output-shaft motor (8) sequentially passes through the slot opening (34) and the positioning hole (33) and the slot wall corresponding to the clamping block slot (34) The spring (36) is fixedly connected to the bottom of the clamping block groove (34), the other end of the spring (36) is fixedly connected to the clamping block (35), one end, close to the double-output-shaft motor (8), of the pull rod (37) is fixedly connected with the clamping block (35), and the other end of the pull rod (37) sequentially penetrates through the bottoms of the spring (36) and the clamping block groove (34) and extends outwards.

4. The rapid switching silicon controlled switch for harmonic suppression according to claim 1, wherein a plurality of outer heat dissipation fins (11) are fixedly connected to the outer side wall of the heat dissipation frame (5) uniformly and equidistantly.

5. The fast switching silicon controlled switch for harmonic suppression according to claim 1, characterized in that the opening of the fan case (4) far away from the dual output shaft motor (8) is installed with a metal mesh.

6. The fast switching silicon controlled switch for harmonic suppression according to claim 1, wherein a fixing plate is fixedly connected to one side of the housing (2), and a fixing hole is formed in the fixing plate.

7. The rapid switching silicon controlled switch for harmonic suppression according to claim 1, wherein the bottom of the housing (2) is provided with a dust cleaning hole (12) near the heat dissipation hole (10).

8. The fast switching silicon controlled switch for harmonic suppression according to claim 3, characterized in that a handle is fixedly connected to one end of the pull rod (37) far away from the dual output shaft motor (8).

9. The fast-switching silicon controlled switch for harmonic suppression according to claim 3, wherein the opposite groove walls of the block grooves (34) are symmetrically provided with limiting grooves (13), the limiting grooves (13) are slidably connected with limiting blocks (14), and the opposite ends of the two limiting blocks (14) pass through the notches of the corresponding limiting grooves (13) and extend into the block grooves (34), and are jointly and fixedly connected to the corresponding side walls of the block (35).