CN216850799U - Dampproofing structure is used to single three-phase intermediate frequency power supply - Google Patents
Dampproofing structure is used to single three-phase intermediate frequency power supply Download PDFInfo
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- CN216850799U CN216850799U CN202123396095.8U CN202123396095U CN216850799U CN 216850799 U CN216850799 U CN 216850799U CN 202123396095 U CN202123396095 U CN 202123396095U CN 216850799 U CN216850799 U CN 216850799U
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Abstract
The utility model discloses a dampproof structure for single three-phase intermediate frequency power supply, including the three-phase intermediate frequency power supply box body, the internally mounted of three-phase intermediate frequency power supply box body has the dehumidification organism, the top fixed mounting of dehumidification organism has the gas heating cabinet, the intercommunicating pore has been seted up at the both ends of gas heating cabinet, the internally mounted of gas heating cabinet has the fan, the front end of fan is installed electric heating wire; the air inlet is arranged on the inner wall of the three-phase intermediate frequency power supply box body, a dust screen is arranged inside the air inlet, and a reset spring is arranged on the left side of the dust screen. This single three-phase intermediate frequency power is with dampproofing structure detaches the moisture in the inside gas of three-phase intermediate frequency power box through the dehumidification organism, prevents that equipment from weing in the three-phase intermediate frequency power box, is the gas heating in the gas heating case through electric heating wire simultaneously, and the fan blows the hot gas and carries out the drying to equipment in the three-phase intermediate frequency power box, plays dampproofing effect.
Description
Technical Field
The utility model relates to a single three-phase intermediate frequency power supply technical field specifically is a single three-phase intermediate frequency power supply is with dampproofing structure.
Background
The medium frequency power supply is a static frequency conversion device, converts a three-phase power frequency power supply into a single-phase power supply, has strong adaptability to various loads and wide application range, develops the medium frequency power supply from an early medium frequency generator set into a silicon controlled variable frequency power supply, and is developed and perfected continuously to become a new generation of variable frequency power supply device at present.
The existing single-three-phase intermediate frequency power supply is poor in moisture resistance, so that the interior of the single-three-phase intermediate frequency power supply is easily affected by damp and damaged, the working efficiency of the single-three-phase intermediate frequency power supply is further influenced, the service life of the single-three-phase intermediate frequency power supply is shortened, and the moisture-proof structure for the single-three-phase intermediate frequency power supply is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a single three-phase is dampproofing structure for intermediate frequency power supply to it is poor to propose current single three-phase intermediate frequency power supply humidity resistance among the solution above-mentioned background art, leads to single three-phase intermediate frequency power supply inside to wet the damage easily, and then influences single three-phase intermediate frequency power supply's work efficiency, and reduces single three-phase intermediate frequency power supply's life's problem.
In order to achieve the above object, the utility model provides a following technical scheme: a dampproofing structure for single three-phase intermediate frequency power supply includes:
the dehumidifying device comprises a three-phase medium-frequency power supply box body, wherein a dehumidifying machine body is arranged inside the three-phase medium-frequency power supply box body, a gas heating box is fixedly arranged above the dehumidifying machine body, communication holes are formed in two ends of the gas heating box, a fan is arranged inside the gas heating box, and an electric heating wire is arranged at the front end of the fan;
the air inlet is arranged on the inner wall of the three-phase intermediate frequency power supply box body, a dust screen is arranged inside the air inlet, a return spring is arranged on the left side of the dust screen, and a baffle is movably arranged on the left side of the return spring.
Preferably, the gas heating box is communicated with the inside of the three-phase intermediate frequency power supply box body through a communication hole, and the gas heating box is fixedly connected with the three-phase intermediate frequency power supply box body in an integrated mode.
Preferably, the baffle is elastically connected with the air inlet hole through a return spring, the baffle rotates on the three-phase medium-frequency power supply box body, and the shape and the size of the baffle are larger than those of the air inlet hole.
Preferably, the three-phase intermediate frequency power supply box body is further provided with:
the through wires hole, it is seted up the inner wall below of three-phase intermediate frequency power supply box, the cable is worn to be equipped with in the inside of through wires hole, the seal groove has been seted up to the top of through wires hole, the internally mounted of seal groove has air-tight bag, activity clamp plate is installed to air-tight bag's top, accommodate the lead screw is installed to activity clamp plate's top, the mount is installed on accommodate the lead screw's right side.
Preferably, the adjusting screw rod penetrates through the inside of the fixing frame, the adjusting screw rod is in threaded connection with the fixing frame, the adjusting screw rod is movably connected with the movable pressing plate, the movable pressing plate is moved inside the three-phase intermediate-frequency power supply box body through the adjusting screw rod, and the sealing air bag is of an annular structure.
Preferably, the three-phase intermediate frequency power supply box body is further provided with:
the limiting sliding groove is formed in the lower portion of the three-phase intermediate-frequency power supply box body, a limiting sliding block is mounted inside the limiting sliding groove, a fixing clamping block is mounted below the limiting sliding block, and a fixing lead screw is mounted inside the fixing clamping block.
Preferably, the fixed screw rod runs through in the inside of fixed clamp splice, and fixed screw rod and fixed clamp splice threaded connection to fixed clamp splice is provided with two, fixed clamp splice and spacing slider integral type fixed connection simultaneously, the fixed clamp splice passes through spacing slider, spacing spout and fixed screw rod and realizes removing in the below of three-phase intermediate frequency power supply box.
Compared with the prior art, the utility model provides a single three-phase intermediate frequency power is with dampproofing structure possesses following beneficial effect: this single three-phase intermediate frequency power is with dampproofing structure detaches the moisture in the inside gas of three-phase intermediate frequency power box through the dehumidification organism, prevents that equipment from weing in the three-phase intermediate frequency power box, is the gas heating in the gas heating case through electric heating wire simultaneously, and the fan blows the hot gas and carries out the drying to equipment in the three-phase intermediate frequency power box, plays dampproofing effect.
1. The utility model removes the moisture in the gas in the three-phase intermediate frequency power supply box body through the dehumidifier body, prevents the equipment in the three-phase intermediate frequency power supply box body from being affected with damp, heats the gas in the gas heating box through the electric heating wire, and blows hot gas to the interior of the three-phase intermediate frequency power supply box body by the fan to dry the equipment, thereby playing the role of damp prevention;
2. the utility model extrudes the sealing air bag through the movable pressing plate, so that the sealing air bag deforms and is tightly attached to the outer surface of the cable, thereby playing a sealing role, preventing water vapor from entering the interior of the three-phase medium-frequency power supply box body from the threading hole and playing a moisture-proof role;
3. the utility model discloses a rotate two fixed clamp splice of stationary lead screw promotion and be close to and carry out the centre gripping with the cable fixed, avoid the cable to cause the friction damage at threading downthehole activity and air-tight bag, influence the leakproofness of threading hole department.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
fig. 2 is a schematic view of the internal structure of the gas heating box of the present invention;
FIG. 3 is a schematic view of a partial enlarged structure at A in FIG. 1 according to the present invention;
fig. 4 is the internal structure schematic diagram of the three-phase intermediate frequency power supply box of the utility model.
In the figure: 1. a three-phase intermediate frequency power supply box body; 2. a dehumidifier body; 3. a gas heating box; 4. an electric heating wire; 5. a communicating hole; 6. a fan; 7. a return spring; 8. an air inlet; 9. a dust screen; 10. a baffle plate; 11. adjusting the screw rod; 12. threading holes; 13. a cable; 14. a movable pressing plate; 15. a fixed mount; 16. sealing the air bag; 17. a sealing groove; 18. a limiting slide block; 19. fixing the clamping block; 20. a limiting chute; 21. and fixing the screw rod.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 2, a moisture-proof structure for a single three-phase intermediate frequency power supply includes: the dehumidification device comprises a three-phase intermediate frequency power supply box body 1, a dehumidification machine body 2 is arranged inside the three-phase intermediate frequency power supply box body 1, a gas heating box 3 is fixedly arranged above the dehumidification machine body 2, and two ends of the gas heating box 3 are provided with communication holes 5; the gas heating box 3 is communicated with the interior of the three-phase intermediate frequency power supply box body 1 through a communicating hole 5, the gas heating box 3 is fixedly connected with the three-phase intermediate frequency power supply box body 1 in an integrated mode, a fan 6 is installed inside the gas heating box 3, and an electric heating wire 4 is installed at the front end of the fan 6; the air inlet 8 is formed in the inner wall of the three-phase intermediate frequency power supply box body 1, a dustproof net 9 is installed inside the air inlet 8, a return spring 7 is installed on the left side of the dustproof net 9, and a baffle plate 10 is movably installed on the left side of the return spring 7; the baffle 10 is elastically connected with the air inlet hole 8 through the reset spring 7, the baffle 10 rotates on the three-phase intermediate frequency power supply box body 1, and the shape and the size of the baffle 10 are larger than those of the air inlet hole 8; the moisture in the internal gas of three-phase intermediate frequency power supply box 1 is removed through dehumidification organism 2, prevents that 1 interior equipment of three-phase intermediate frequency power supply box from weing, and the while is the gas heating in the gas heating case 3 through electric heating wire 4, and fan 6 blows the hot gas and carries out the drying to equipment in 1 three-phase intermediate frequency power supply box, plays dampproofing effect.
As shown in fig. 1, 3 and 4, a moisture-proof structure for a single three-phase intermediate frequency power supply includes: the three-phase medium-frequency power supply box comprises a three-phase medium-frequency power supply box body 1, a threading hole 12, a cable 13, a sealing groove 17, a sealing air bag 16, a movable pressing plate 14, an adjusting screw rod 11 and a fixing frame 15, wherein the threading hole 12 is formed below the inner wall of the three-phase medium-frequency power supply box body 1, the cable 13 penetrates through the threading hole 12, the sealing groove 17 is formed above the threading hole 12, the sealing air bag 16 is installed inside the sealing groove 17, the movable pressing plate 14 is installed above the sealing air bag 16, the adjusting screw rod 11 is installed above the movable pressing plate 14, and the fixing frame 15 is installed on the right side of the adjusting screw rod 11; the adjusting screw rod 11 penetrates through the inside of the fixed frame 15, the adjusting screw rod 11 is in threaded connection with the fixed frame 15, the adjusting screw rod 11 is movably connected with the movable pressing plate 14, meanwhile, the movable pressing plate 14 moves in the three-phase intermediate-frequency power supply box body 1 through the adjusting screw rod 11, and the sealing air bag 16 is of an annular structure; the movable pressing plate 14 is used for extruding the sealing air bag 16, so that the sealing air bag 16 is deformed to be tightly attached to the outer surface of the cable 13, a sealing effect is achieved, water vapor is prevented from entering the three-phase medium-frequency power supply box body 1 from the threading hole 12, and a moisture-proof effect is achieved; the limiting chute 20 is arranged below the three-phase intermediate frequency power supply box body 1, a limiting slide block 18 is arranged inside the limiting chute 20, a fixed clamping block 19 is arranged below the limiting slide block 18, and a fixed screw rod 21 is arranged inside the fixed clamping block 19; the fixed screw rods 21 penetrate through the inside of the fixed clamping blocks 19, the fixed screw rods 21 are in threaded connection with the fixed clamping blocks 19, the number of the fixed clamping blocks 19 is two, meanwhile, the fixed clamping blocks 19 are fixedly connected with the limiting slide blocks 18 in an integrated mode, and the fixed clamping blocks 19 move below the three-phase intermediate-frequency power supply box body 1 through the limiting slide blocks 18, the limiting slide grooves 20 and the fixed screw rods 21; the two fixed clamping blocks 19 are pushed to be close to the cable 13 to clamp and fix the cable 13 by rotating the fixed screw rod 21, so that the cable 13 is prevented from moving in the threading hole 12 and being damaged by friction with the sealing air bag 16, and the sealing performance of the threading hole 12 is prevented from being influenced.
The working principle is as follows: when the moisture-proof structure for the single three-phase intermediate frequency power supply is used, firstly, a cable 13 penetrates through a threading hole 12 and enters a three-phase intermediate frequency power supply box body 1, then a fixed screw rod 21 is rotated, two fixed clamping blocks 19 are pushed to be close to each other through threads to clamp and fix the cable 13, then an adjusting screw rod 11 on a fixed frame 15 is rotated, a movable pressing plate 14 is pushed to move downwards through threads to extrude a sealing air bag 16 in a sealing groove 17, so that the sealing air bag 16 is deformed and is tightly attached to the cable 13, then an electric heating wire 4 in a gas heating box 3 is electrified to work to heat gas, then a fan 6 is electrified to work to lead hot gas to circularly flow in the three-phase intermediate frequency power supply box body 1, the vapor adhered to equipment in the three-phase intermediate frequency power supply box body 1 is dried and vaporized, then a dehumidifying machine body 2 in the three-phase intermediate frequency power supply box body 1 is electrified to work to remove the vapor in the air, finally, the air pressure in the three-phase intermediate frequency power supply box body 1 is reduced due to the reduction of the water vapor, and the air outside the three-phase intermediate frequency power supply box body 1 pushes the baffle plate 10 to enter the air heating box 3 from the air inlet hole 8 for supplement under the action of the atmospheric pressure, so that the working principle of the moisture-proof structure for the single three-phase intermediate frequency power supply is realized.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a single three-phase is dampproofing structure for intermediate frequency power supply which characterized in that includes:
the power supply cabinet comprises a three-phase intermediate frequency power supply box body (1), a dehumidifying machine body (2) is installed inside the three-phase intermediate frequency power supply box body (1), a gas heating box (3) is fixedly installed above the dehumidifying machine body (2), communication holes (5) are formed in two ends of the gas heating box (3), a fan (6) is installed inside the gas heating box (3), and an electric heating wire (4) is installed at the front end of the fan (6);
the air inlet hole (8) is arranged on the inner wall of the three-phase intermediate frequency power supply box body (1), a dust screen (9) is arranged inside the air inlet hole (8), a reset spring (7) is installed on the left side of the dust screen (9), and a baffle (10) is movably installed on the left side of the reset spring (7).
2. The moisture-proof structure for the single three-phase intermediate frequency power supply according to claim 1, wherein the gas heating box (3) is communicated with the interior of the three-phase intermediate frequency power supply box body (1) through the communication hole (5), and the gas heating box (3) is fixedly connected with the three-phase intermediate frequency power supply box body (1) in an integrated manner.
3. The moisture-proof structure for the single three-phase intermediate frequency power supply as claimed in claim 1, wherein the baffle (10) is elastically connected with the air inlet hole (8) through a return spring (7), the baffle (10) is rotated on the three-phase intermediate frequency power supply box body (1), and the shape and size of the baffle (10) are larger than those of the air inlet hole (8).
4. The moisture-proof structure for the single three-phase intermediate frequency power supply according to claim 1, wherein the three-phase intermediate frequency power supply box body (1) is further provided with:
through wires hole (12), it sets up the inner wall below of three-phase intermediate frequency power supply box (1), cable (13) are worn to be equipped with in the inside of through wires hole (12), seal groove (17) have been seted up to the top of through wires hole (12), the internally mounted of seal groove (17) has air bag (16), activity clamp plate (14) are installed to air bag (16)'s top, accommodate the lead screw (11) are installed to the top of activity clamp plate (14), mount (15) are installed on the right side of accommodate the lead screw (11).
5. The moisture-proof structure for the single-phase, three-phase and intermediate-frequency power supply according to claim 4, wherein the adjusting screw rod (11) penetrates through the inside of the fixing frame (15), the adjusting screw rod (11) is in threaded connection with the fixing frame (15), the adjusting screw rod (11) is movably connected with the movable pressing plate (14), the movable pressing plate (14) is moved inside the three-phase and intermediate-frequency power supply box body (1) through the adjusting screw rod (11), and the sealing air bag (16) is of an annular structure.
6. The moisture-proof structure for the single three-phase intermediate frequency power supply according to claim 1, wherein the three-phase intermediate frequency power supply box body (1) is further provided with:
spacing spout (20), it sets up the below of three-phase intermediate frequency power supply box (1), the internally mounted of spacing spout (20) has installed spacing slider (18), fixed clamp splice (19) are installed to the below of spacing slider (18), the internally mounted of fixed clamp splice (19) has fixed lead screw (21).
7. The moisture-proof structure for the single-phase, three-phase and intermediate-frequency power supply according to claim 6, wherein the fixing screw rods (21) penetrate through the fixing clamping blocks (19), the fixing screw rods (21) are in threaded connection with the fixing clamping blocks (19), the fixing clamping blocks (19) are arranged in two numbers, the fixing clamping blocks (19) are fixedly connected with the limiting slide block (18) in an integrated manner, and the fixing clamping blocks (19) move below the three-phase and intermediate-frequency power supply box body (1) through the limiting slide block (18), the limiting slide grooves (20) and the fixing screw rods (21).
Priority Applications (1)
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CN202123396095.8U CN216850799U (en) | 2021-12-31 | 2021-12-31 | Dampproofing structure is used to single three-phase intermediate frequency power supply |
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CN202123396095.8U CN216850799U (en) | 2021-12-31 | 2021-12-31 | Dampproofing structure is used to single three-phase intermediate frequency power supply |
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CN216850799U true CN216850799U (en) | 2022-06-28 |
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CN202123396095.8U Active CN216850799U (en) | 2021-12-31 | 2021-12-31 | Dampproofing structure is used to single three-phase intermediate frequency power supply |
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2021
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