CN117374887B - Frequency converter fault protection device - Google Patents
Frequency converter fault protection device Download PDFInfo
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- CN117374887B CN117374887B CN202311668500.8A CN202311668500A CN117374887B CN 117374887 B CN117374887 B CN 117374887B CN 202311668500 A CN202311668500 A CN 202311668500A CN 117374887 B CN117374887 B CN 117374887B
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- frequency converter
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- pipe
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- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 230000001012 protector Effects 0.000 claims abstract description 30
- 239000000523 sample Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 70
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 239000002390 adhesive tape Substances 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 239000002274 desiccant Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 230000017525 heat dissipation Effects 0.000 claims description 6
- 230000001939 inductive effect Effects 0.000 claims description 2
- 238000005057 refrigeration Methods 0.000 claims 3
- 239000002826 coolant Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 230000006698 induction Effects 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 18
- 239000000428 dust Substances 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000110 cooling liquid Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 210000005056 cell body Anatomy 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
- H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
- H02H7/1216—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for AC-AC converters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/20—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
- H02H5/047—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature using a temperature responsive switch
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/03—Covers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/069—Other details of the casing, e.g. wall structure, passage for a connector, a cable, a shaft
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20409—Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing
- H05K7/20418—Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing the radiating structures being additional and fastened onto the housing
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Physics & Mathematics (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a fault protection device for a frequency converter, which relates to the technical field of frequency converters and comprises a frequency converter body, wherein the frequency converter body comprises a frequency converter shell, a groove body is formed in the frequency converter shell, a power-off protection mechanism and a wiring terminal are arranged in the groove body, a high-temperature power-off protector, a humidity power-off protector and a high-voltage power-off mechanism are arranged in the power-off protection mechanism, induction probes of the high-temperature power-off protector and the humidity power-off protector are arranged in the frequency converter shell, and the like.
Description
Technical Field
The invention relates to the technical field of frequency converters, in particular to a fault protection device for a frequency converter.
Background
The frequency converter is an electric power control device for controlling the AC motor by changing the frequency of the working power supply of the motor by applying the frequency conversion technology and the microelectronics technology, and mainly comprises a rectification (alternating current-direct current), a filtering, an inversion (direct current-alternating current), a braking unit, a driving unit, a detection unit and a microprocessing unit. The frequency converter is used for adjusting the voltage and frequency of the output power supply by switching on and off the internal IGBT, and providing the required power supply voltage according to the actual requirement of the motor, so as to achieve the purposes of energy saving and speed regulation. Along with the continuous improvement of the industrial automation degree, the frequency converter is also widely applied.
Currently, frequency converters are widely used in the fields of industry, household appliances, and the like. However, during the operation of the frequency converter, the frequency converter is easy to fail due to the reason of excessively high power supply voltage, excessively high temperature, and the like. The prior frequency converter fault protection device can only provide basic fault detection function and cannot adjust the running state.
The invention aims to improve the fault protection capability of the frequency converter and reduce the probability of faults of the frequency converter due to high temperature.
Disclosure of Invention
The invention aims to solve the problems of difficult packing of hot rolled wire rods which are not used up in a construction site and high labor intensity of workers, and adopts the following technical scheme:
the utility model provides a converter fault protection device, includes the converter body, and the converter body includes the converter casing, the cell body has been seted up to the converter casing, install outage protection mechanism and wiring end in the cell body, install high temperature outage protector, humidity outage protector and high voltage outage mechanism in the outage protection mechanism, high temperature outage protector with humidity outage protector's inductive probe all installs in the converter casing, a plurality of first logical grooves have been seted up to the bottom of converter casing;
the heat transfer mechanism comprises a box body, vent holes, a sealing ring and first radiating fins, the box body is fixedly connected with the frequency converter shell, the top and the bottom of the box body are provided with the vent holes, and the first radiating fins are arranged in the box body;
the clamping device comprises a support, a second through groove, a third through groove, a first sliding block, a clamping groove block, a first double-sided adhesive tape, a connecting block, a baffle, a tension spring and a second sliding block, wherein the second through groove is formed in the support;
the cooling device is installed to one side of clamping device, cooling device includes water tank, inlet opening, water pump, inlet tube, outlet pipe, barrel, spiral pipe and flexible pipe, barrel and support fixed connection, the barrel endotheca is equipped with the spiral pipe, the barrel setting is all passed outside the barrel to the both ends of spiral pipe, the flexible pipe of both ends equal fixedly connected with of spiral pipe, stop device is installed to the one end of flexible pipe, the lateral wall fixedly connected with inlet tube and the outlet pipe of barrel, the one end fixedly connected with water tank of inlet tube, refrigerating plant is installed to one side of water tank.
Preferably, stop device includes first electric fan, roof, rubber pad, bottom plate, locating piece, sleeve, second extension spring and body of rod, the top fixedly connected with roof of first electric fan, the top surface and the flexible pipe fixed connection of roof, the bottom fixedly connected with bottom plate of first electric fan, the equal fixedly connected with sleeve in top surface four corners department of bottom plate, the sleeve endotheca is equipped with the body of rod, body of rod and sleeve sliding connection, the bottom fixedly connected with second extension spring of body of rod, the one end and the telescopic inner chamber bottom fixed connection of second extension spring, the top surface of bottom plate with the equal fixedly connected with second double faced adhesive tape of bottom surface of roof, stop device passes through second double faced adhesive tape and box fixed connection, the surface fixedly connected with of bottom plate has a plurality of locating pieces.
Preferably, the refrigerating device comprises a second electric fan, a second radiating fin, a heat conducting pipe base, a refrigerating fin and a copper sheet, wherein one side of the water tank is fixedly connected with a plurality of copper sheets, one side of the copper sheet is fixedly connected with the refrigerating fin, one side of the refrigerating fin is fixedly connected with the heat conducting pipe base, one side of the heat conducting pipe base is fixedly connected with a plurality of heat conducting pipes, cooling liquid is filled in the heat conducting pipes, one side of the heat conducting pipe base is fixedly connected with the second radiating fin, the heat conducting pipes are inserted in gaps of the second radiating fin, and one side of the second radiating fin is provided with the second electric fan.
Preferably, the top surface of the bottom plate and the bottom surface of the top plate are fixedly connected with rubber pads.
Preferably, the frequency converter shell is hinged with a flip, one side of the flip is fixedly connected with a box body, and a plurality of drying agents are placed in the box body.
Preferably, the first through groove is sleeved with a rubber ring sleeve, and the rubber ring sleeve is fixedly connected with the first through groove.
Preferably, a groove is formed in one side of the bottom of the groove body.
Preferably, the operation panel is installed to the converter body, the operation panel department of converter body is covered and is closed the lid, close the lid and hinge with the converter casing.
Preferably, a sealing ring is arranged in the box body, and the sealing ring is sleeved outside the first radiating fin.
Preferably, a water inlet hole is formed in the top end of the water tank, and a plug is sleeved in the water inlet hole.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, the high-temperature power-off protector and the humidity power-off protector can monitor the inside of the frequency converter body through the power-off protection mechanism when the frequency converter body breaks down, once the high temperature or the humidity in the frequency converter body is higher than the set temperature and humidity, the high-temperature power-off protector or the humidity power-off protector can cut off the power supply of the frequency converter body immediately so as to avoid the frequency converter body from breaking down and damaging, the high-voltage power-off mechanism monitors the voltage of the frequency converter body, and once the voltage of the frequency converter body is monitored to be too high, the frequency converter body is sent out a shutdown instruction so as to avoid the frequency converter body from being damaged more seriously;
2. in the invention, the heat transfer mechanism transfers the heat of the frequency converter body into the box body through the first radiating fin, hot air in the box body is conveyed into the telescopic pipe through the first electric fan, the hot air in the telescopic pipe enters the spiral pipe and is conveyed downwards in a spiral mode after entering the spiral pipe, cold water in the cylinder body exchanges heat for the hot air in the spiral pipe, so that the hot air is changed into cold air, the spiral pipe can increase the heat exchange time of the cold water and the hot air in the spiral pipe, the hot air in the spiral pipe can be sufficiently cooled, the cooled air is newly conveyed into the box body through the telescopic pipe and the first electric fan, and therefore the heat is continuously radiated for the frequency converter body, the frequency converter body is prevented from being broken due to high temperature, and the service life of the frequency converter body is prolonged;
3. according to the invention, the flip cover can prevent external dust and water vapor from entering the groove body to affect the wiring end, the drying agent in the box body can absorb the water vapor in the groove body, so that the wiring end is kept dry, a wire connected with the wiring end enters the groove body through the rubber ring sleeve, and the gap between the wire and the rubber ring sleeve is small because the rubber ring sleeve presses the wire, so that the external dust is prevented from entering the groove body.
In conclusion, the invention improves the fault protection capability of the frequency converter and reduces the probability of faults of the frequency converter due to high temperature.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a partial structure of the present invention;
FIG. 3 is a schematic view of a heat transfer mechanism of the present invention;
FIG. 4 is a schematic diagram of a housing of a frequency converter according to the present invention;
FIG. 5 is a schematic view of the back of the inverter housing of the present invention;
FIG. 6 is a schematic view of a clamping device according to the present invention;
FIG. 7 is a schematic diagram of a heat dissipating device according to the present invention;
fig. 8 is a schematic structural view of a refrigerating apparatus according to the present invention;
FIG. 9 is a schematic view of a spacing structure of the present invention;
fig. 10 is a schematic structural view of the flip cover of the present invention.
Number in the figure: 1. a transducer body; 101. a frequency converter housing; 102. closing the cover; 103. a tank body; 104. a first through groove; 105. a groove; 106. a high temperature power-off protector; 107. a humidity power-off protector; 108. a case body; 109. a drying agent; 110. a flip cover; 111. a terminal; 112. a power-off protection mechanism; 113. a rubber ring sleeve; 2. a heat transfer mechanism; 201. a case; 202. a vent hole; 203. a seal ring; 204. a first heat sink; 3. a limiting device; 301. a first electric fan; 302. a top plate; 303. a rubber pad; 304. a bottom plate; 305. a positioning block; 306. a sleeve; 307. a second tension spring; 308. a rod body; 309. a second double-sided adhesive; 4. a clamping device; 401. a support; 402. a second through slot; 403. a third through slot; 404. a first slider; 405. a clamping block; 406. a clamping groove block; 407. a first double-sided adhesive; 408. a connecting block; 409. a baffle; 410. a tension spring; 411. a second slider; 5. a heat sink; 501. a water tank; 502. a water inlet hole; 503. a water pump; 504. a water inlet pipe; 505. a water outlet pipe; 506. a cylinder; 507. a spiral tube; 508. a telescopic tube; 6. a refrigerating device; 601. a second electric fan; 602. a second heat sink; 603. a heat conduction pipe; 604. a heat pipe base; 605. a cooling sheet; 606. copper sheet.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Embodiment one: the embodiment provides a fault protection device for a frequency converter, referring to fig. 1-10, comprising;
the frequency converter body 1 comprises a frequency converter shell 101, a groove body 103 is formed in the frequency converter shell 101, a power-off protection mechanism 112 and a wiring terminal 111 are installed in the groove body 103, a high-temperature power-off protector 106, a humidity power-off protector 107 and a high-voltage power-off mechanism are installed in the power-off protection mechanism 112, induction probes of the high-temperature power-off protector 106 and the humidity power-off protector 107 are installed in the frequency converter shell 101, and a plurality of first through grooves 104 are formed in the bottom of the frequency converter shell 101;
a heat transfer mechanism 2 is arranged on one side of the frequency converter body 1, the heat transfer mechanism 2 comprises a box 201, a vent hole 202, a sealing ring 203 and a first cooling fin 204, the box 201 is fixedly connected with the frequency converter shell 101, the top and the bottom of the box 201 are provided with the vent hole 202, and the first cooling fin 204 is arranged in the box 201;
a clamping device 4 is arranged on one side of the heat transfer mechanism 2, the clamping device 4 comprises a support 401, a second through groove 402, a third through groove 403, a first sliding block 404, a clamping block 405, a clamping groove block 406, a first double-sided adhesive 407, a connecting block 408, a baffle 409, a tension spring 410 and a second sliding block 411, the support 401 is provided with the second through groove 402, both sides of the support 401 are provided with the third through groove 403, the third through groove 403 is communicated with the second through groove 402, the second through groove 402 is internally provided with the first sliding block 404 and the second sliding block 411, both sides of the first sliding block 404 and the second sliding block 411 are in sliding connection with the second through groove 402, both sides of the first sliding block 404 and the second sliding block 411 are fixedly connected with the connecting block 408, one side of the connecting block 408 is fixedly connected with the baffle 409, the baffle 409 is fixedly connected with the tension spring 410, both sides of the first sliding block 404 and the second sliding block 411 are fixedly connected with the clamping block 405, the clamping block 405 is sleeved with the clamping groove block 406, the surface of the clamping groove block 406 is fixedly connected with the first double-sided adhesive 407, and the clamping block 406 is fixedly connected with the box 201 through the first adhesive;
the heat abstractor 5 is installed to one side of clamping device 4, heat abstractor 5 includes water tank 501, inlet opening 502, water pump 503, inlet tube 504, outlet pipe 505, barrel 506, spiral pipe 507 and flexible pipe 508, barrel 506 and support 401 fixed connection, barrel 506 endotheca is equipped with spiral pipe 507, the both ends of spiral pipe 507 all pass barrel 506 and set up outside barrel 506, the both ends of spiral pipe 507 all fixedly connected with flexible pipe 508, stop device 3 is installed to the one end of flexible pipe 508, the lateral wall fixedly connected with inlet tube 504 and outlet pipe 505 of barrel 506, the one end fixedly connected with water tank 501 of inlet tube 504, refrigerating plant 6 is installed to one side of water tank 501.
In the implementation process, as shown in fig. 1 to 10, the connection of the wires is performed for the frequency converter body 1 through the wiring terminal 111, the frequency converter body 1 can be protected when the frequency converter body 1 fails through the power-off protection mechanism 112, the high-temperature power-off protector 106 and the humidity power-off protector 107 monitor the inside of the frequency converter body 1, once the high temperature or humidity in the frequency converter body 1 is higher than the set temperature and humidity, the high-temperature power-off protector 106 or the humidity power-off protector 107 immediately cuts off the power supply of the frequency converter body 1 so as to avoid the failure and damage of the frequency converter body 1, the high-voltage power-off mechanism monitors the voltage of the frequency converter body 1, and once the voltage of the frequency converter body 1 is monitored to be too high, a shutdown command is sent to the frequency converter body 1 so as to avoid the more serious damage of the frequency converter body 1.
The heat transfer mechanism 2 transfers the heat of the frequency converter body 1 into the box 201 through the first cooling fin 204, the hot air in the box 201 is conveyed into the telescopic pipe 508 of the heat dissipation device 5 through the first electric fan 301 of the limiting device 3, the telescopic pipe 508 is made of soft plastic, and the telescopic pipe 508 can stretch and retract and is softer, so the limiting device 3 can enable the limiting device 3 to be attached to the air inlet and the air outlet of the heat transfer mechanism 2 according to the positions of the heat transfer mechanism 2 with different specifications, the practicability is high, the hot air in the telescopic pipe 508 enters the spiral pipe 507 and is conveyed downwards in a spiral manner, cold water in the cylinder 506 is used for exchanging heat with the hot air in the spiral pipe 507, the hot air is changed into cold air, the spiral pipe 507 can increase the heat exchanging time of the cold water and the hot air in the spiral pipe 507, and accordingly the hot air in the spiral pipe 507 can be sufficiently cooled, and the cooled air is conveyed into the box 201 from new time through the telescopic pipe 508 and the first electric fan 301, so that the frequency converter body 1 can be continuously circulated, the frequency converter body 1 is cooled, the frequency converter body 1 is prevented from being broken, and the service life of the frequency converter body 1 is prolonged due to high temperature.
The first sliding block 404 and the second sliding block 411 of the clamping device 4 can slide in the second through groove 402, so that the position of the clamping block 405 is adjusted, the clamping groove blocks 406 are stuck to the box 201 with different length specifications, the clamping block 405 can be clamped with the clamping groove blocks 406 through the adjusting positions, and the positioning between the heat dissipation device 5 and the refrigerating device 6 and the box 201 is further realized through the use of the clamping device 4.
The cold water in the cylinder 506 and the hot air in the spiral pipe 507 heat exchange and then heat up, the heated water enters the water tank 501 through the water inlet pipe 504 and the water outlet pipe 505, and the water in the water tank 501 is conveyed back into the cylinder 506 through the water pump 503, so that circulation is formed.
Embodiment two: in the first embodiment, there is also a problem that the first electric fan 301 is inconvenient to replace, and therefore, the present embodiment further includes, on the basis of the first embodiment:
stop device 3 includes first electric fan 301, roof 302, rubber pad 303, bottom plate 304, locating piece 305, sleeve 306, second extension spring 307 and body of rod 308, the top fixedly connected with roof 302 of first electric fan 301, the top surface and the flexible pipe 508 fixed connection of roof 302, the bottom fixedly connected with bottom plate 304 of first electric fan 301, the top surface four corners department of bottom plate 304 all fixedly connected with sleeve 306, sleeve 306 endotheca is equipped with body of rod 308, body of rod 308 and sleeve 306 sliding connection, the bottom fixedly connected with second extension spring 307 of body of rod 308, the one end of second extension spring 307 and the inner chamber bottom fixed connection of sleeve 306, the top surface of bottom plate 304 and the bottom surface of roof 302 all fixedly connected with second double faced adhesive tape 309, stop device 3 passes through second double faced adhesive tape 309 and box 201 fixed connection, the surface fixedly connected with a plurality of locating pieces 305 of bottom plate 304.
In the specific implementation process, as shown in fig. 1, 2 and 9, when the first electric fan 301 needs to be replaced, the top plate 302 is pulled up, so that the top plate 302 does not press the first electric fan 301, at this time, the first electric fan 301 can be removed from the bottom plate 304, a new first electric fan 301 can be further replaced, the positioning block 305 can be used for rapidly positioning the first electric fan 301, so that the first electric fan 301 is installed more rapidly, the top plate 302 is pulled by the second tension spring 307 of the top plate 302 through the rod 308 to move downwards until the top plate 302 presses the first electric fan 301, and therefore replacement of the first electric fan 301 is completed, and the whole replacement process is convenient and rapid, and no practical tool is needed.
Embodiment III: in the first embodiment, there is also a problem that the cooling speed of water in the water tank 501 is slow, and therefore, the present embodiment further includes, on the basis of the first embodiment:
the refrigerating device 6 comprises a second electric fan 601, a second radiating fin 602, a heat conducting pipe 603, a heat conducting pipe base 604, a refrigerating fin 605 and a copper sheet 606, wherein one side of the water tank 501 is fixedly connected with a plurality of copper sheets 606, one side of the copper sheet 606 is fixedly connected with the refrigerating fin 605, one side of the refrigerating fin 605 is fixedly connected with the heat conducting pipe base 604, one side of the heat conducting pipe base 604 is fixedly connected with a plurality of heat conducting pipes 603, cooling liquid is filled in the heat conducting pipes 603, one side of the heat conducting pipe base 604 is fixedly connected with the second radiating fin 602, the heat conducting pipes 603 are inserted in gaps of the second radiating fin 602, and one side of the second radiating fin 602 is provided with the second electric fan 601.
In the specific implementation process, as shown in fig. 1 and 8, the water in the water tank 501 is cooled by the cooling device 6, one side of the cooling sheet 605, which is attached to one side of the water tank 501, is cooled by the water in the water tank 501, so that the cooling speed of the water in the water tank 501 is increased, one side of the cooling sheet 605, which generates heat, transfers the heat to the heat conducting tube 603 through the heat conducting tube base 604, the heat exchange speed of the heat conducting tube 603 can be increased by the cooling liquid in the heat conducting tube 603, and the heat conducting tube 603, the second cooling sheet 602 and the second electric fan 601 are matched to increase the heat dissipation efficiency of the cooling sheet 605, so that the cooling quality of the cooling sheet 605 is prevented from being affected.
Embodiment four: in the first embodiment, there is also a problem that the terminals 111 are liable to be wet and contaminated with dust, and therefore, the present embodiment further includes, on the basis of the first embodiment:
the inverter housing 101 is hinged with a flip cover 110, one side of the flip cover 110 is fixedly connected with a box body 108, and a plurality of drying agents 109 are placed in the box body 108.
The first through groove 104 is sleeved with a rubber ring sleeve 113, and the rubber ring sleeve 113 is fixedly connected with the first through groove 104.
In the specific implementation process, as shown in fig. 1 and 9, the flip cover 110 can block external dust and water vapor from entering the groove body 103 to affect the terminal 111, the drying agent 109 in the box body 108 can absorb the water vapor in the groove body 103, so that the drying of the terminal 111 is maintained, the wire connected with the terminal 111 enters the groove body 103 through the rubber ring sleeve 113, and the gap between the wire and the rubber ring sleeve 113 is small because the rubber ring sleeve 113 presses the wire, so that the external dust is prevented from entering the groove body 103.
Fifth embodiment: specifically, the working principle of the invention is as follows:
when in use, the clamping groove block 406 is stuck on the box 201, the heat dissipating device 5 and the refrigerating device 6 are positioned between the clamping device 4 and the box 201, further, the wire connection is carried out for the frequency converter body 1 through the wiring terminal 111, the flip cover 110 can prevent external dust and water vapor from entering the box 103 to influence the wiring terminal 111, the drying agent 109 in the box 108 can absorb the water vapor in the box 103, thereby keeping the drying of the wiring terminal 111, the wire connected with the wiring terminal 111 enters the box 103 through the rubber ring sleeve 113, the gap between the wire and the rubber ring sleeve 113 is small because the rubber ring sleeve 113 presses the wire, thereby avoiding the external dust from entering the box 103, the frequency converter body 1 can be protected when the frequency converter body 1 fails through the power-off protection mechanism 112, the high-temperature power-off protector 106 and the humidity power-off protector 107 monitor the inside of the frequency converter body 1, once the high temperature or humidity in the inverter body 1 is higher than the set temperature and humidity, the high temperature power-off protector 106 or the humidity power-off protector 107 immediately cuts off the power supply of the inverter body 1 to avoid the failure and damage of the inverter body 1, the high voltage power-off mechanism monitors the voltage of the inverter body 1, once the voltage of the inverter body 1 is monitored to be too high, a shutdown instruction is sent to the inverter body 1 to avoid the more serious damage of the inverter body 1, the heat transfer mechanism 2 transfers the heat of the inverter body 1 into the box 201 through the first cooling fin 204, the hot air in the box 201 is conveyed into the telescopic tube 508 of the cooling device 5 through the first electric fan 301 of the limiting device 3, the telescopic tube 508 is made of soft plastic, the telescopic tube 508 can stretch and has softer texture, therefore, the position of the limiting device 3 can be adjusted according to the heat transfer mechanisms 2 with different specifications, the limiting device 3 can be attached to the air inlet and the air outlet of the heat transfer mechanisms 2, the practicability is high, hot air in the telescopic tube 508 enters the spiral tube 507 and then is spirally and downwards conveyed, cold water in the cylinder 506 exchanges heat for hot air in the spiral tube 507, so that the hot air is changed into cold air, the spiral tube 507 can increase the heat exchange time between the cold water and the hot air in the spiral tube 507, the hot air in the spiral tube 507 can be sufficiently cooled, the cooled air is newly conveyed into the box 201 through the telescopic tube 508 and the first electric fan 301, the heat is continuously radiated for the frequency converter body 1, the frequency converter body 1 is prevented from being broken due to high temperature, the service life of the frequency converter body 1 is prolonged, the cold water in the cylinder 506 and the hot air in the spiral pipe 507 heat exchange and then heat up, the heated water enters the water tank 501 through the water inlet pipe 504 and the water outlet pipe 505, the water in the water tank 501 is conveyed back into the cylinder 506 through the water pump 503, thereby circulation is formed, the water in the water tank 501 is refrigerated by the refrigerating device 6, one side of the refrigerating sheet 605, which is adhered to the water tank 501, is refrigerated by the water in the water tank 501, so that the cooling speed of the water in the water tank 501 is accelerated, the heat is transferred to the heat conducting pipe 603 through the heat conducting pipe base 604 by the heat generating side of the refrigerating sheet 605, the heat exchange speed of the heat conducting pipe 603 can be accelerated by the cooling liquid in the heat conducting pipe 603, and the heat radiating efficiency of the refrigerating sheet 605 can be accelerated by the heat conducting pipe 603, the second radiating sheet 602 and the second electric fan 601 are matched, and the refrigerating quality of the refrigerating sheet 605 is prevented from being influenced.
When the first electric fan 301 needs to be replaced, the top plate 302 is pulled up, so that the top plate 302 does not press the first electric fan 301, at this time, the first electric fan 301 can be removed from the bottom plate 304, a new first electric fan 301 can be replaced, the positioning block 305 can be used for rapidly positioning the first electric fan 301, accordingly, the first electric fan 301 can be installed more rapidly, the top plate 302 is pulled down by loosening the top plate 302 and the second tension spring 307 through the rod 308 until the top plate 302 presses the first electric fan 301, and therefore replacement of the first electric fan 301 is completed.
When the operation panel of the frequency converter body 1 is not used, the cover 102 covers the operation panel, so that the frequency converter body 1 is prevented from being broken down due to the fact that a worker touches the operation panel by mistake.
In conclusion, the invention improves the fault protection capability of the frequency converter and reduces the probability of faults of the frequency converter due to high temperature.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.
Claims (9)
1. The utility model provides a converter fault protection device, includes converter body (1), its characterized in that: the frequency converter body (1) comprises a frequency converter shell (101), a groove body (103) is formed in the frequency converter shell (101), a power-off protection mechanism (112) and a wiring terminal (111) are arranged in the groove body (103), a high-temperature power-off protector (106), a humidity power-off protector (107) and a high-voltage power-off mechanism are arranged in the power-off protection mechanism (112), the high-temperature power-off protector (106) and an inductive probe of the humidity power-off protector (107) are all arranged in the frequency converter shell (101), and a plurality of first through grooves (104) are formed in the bottom of the frequency converter shell (101);
a heat transfer mechanism (2) is arranged on one side of the frequency converter body (1), the heat transfer mechanism (2) comprises a box body (201), a vent hole (202), a sealing ring (203) and a first radiating fin (204), the box body (201) is fixedly connected with the frequency converter body (101), the top and the bottom of the box body (201) are respectively provided with the vent hole (202), and the first radiating fin (204) is arranged in the box body (201);
clamping device (4) is installed to one side of heat transfer mechanism (2), clamping device (4) include support (401), second through groove (402), third through groove (403), first slider (404), fixture block (405), draw-in groove piece (406), first double faced adhesive tape (407), connecting block (408), baffle (409), extension spring (410) and second slider (411), second through groove (402) have been seted up to support (401), third through groove (403) have all been seted up on the both sides of support (401), third through groove (403) are linked together with second through groove (402), be provided with first slider (404) and second slider (411) in second through groove (402), first slider (404) with second slider (411) all with second through groove (402) sliding connection, first slider (404) with both sides of second slider (411) all fixedly connected with extension spring (408), one side fixedly connected with baffle (409) of support (401), first slider (410) are provided with extension spring (410) and second slider (411) are connected with, first slider (410) are equipped with one side of connecting block (411), the surface of the clamping groove block (406) is fixedly connected with a first double-sided adhesive tape (407), and the clamping groove block (406) is fixedly connected with the box body (201) through the first double-sided adhesive tape (407);
the utility model discloses a heat dissipation device, including clamping device (4), heat dissipation device (5) are installed to one side of clamping device (4), heat dissipation device (5) include water tank (501), inlet port (502), water pump (503), inlet tube (504), outlet pipe (505), barrel (506), spiral pipe (507) and flexible pipe (508), barrel (506) and support (401) fixed connection, barrel (506) endotheca is equipped with spiral pipe (507), the both ends of spiral pipe (507) all pass barrel (506) and set up outside barrel (506), the both ends of spiral pipe (507) all fixedly connected with flexible pipe (508), stop device (3) are installed to one end of flexible pipe (508), stop device (3) include first electric fan (301), roof (302), rubber pad (303), bottom plate (304), locating piece (305), sleeve (306), second extension spring (307) and body of rod (308), the top fixedly connected with roof (302) of first electric fan (301), the top surface fixedly connected with flexible pipe (508) of roof (302), the top surface of roof (304) fixedly connected with bottom plate (304) of first electric fan (301), sleeve (306) are all connected with, the utility model discloses a refrigerator, including sleeve (306), body of rod (308) and sleeve (306) sliding connection, the bottom fixedly connected with second extension spring (307) of body of rod (308), the one end of second extension spring (307) and the inner chamber bottom fixed connection of sleeve (306), the top surface of bottom plate (304) with the bottom surface of roof (302) is all fixedly connected with second double faced adhesive tape (309), stop device (3) pass through second double faced adhesive tape (309) and box (201) fixed connection, the fixed surface of bottom plate (304) is connected with a plurality of locating piece (305), the lateral wall fixedly connected with inlet tube (504) and outlet pipe (505) of barrel (506), the one end fixedly connected with water tank (501) of inlet tube (504), refrigerating plant (6) are installed to one side of water tank (501).
2. A frequency converter fault protection device according to claim 1, wherein: refrigerating plant (6) include second electric fan (601), second fin (602), heat pipe (603), heat pipe base (604), refrigeration piece (605), copper sheet (606), one side fixedly connected with of water tank (501) copper sheet (606), one side fixedly connected with refrigeration piece (605) of copper sheet (606), one side fixedly connected with heat pipe base (604) of refrigeration piece (605), one side fixedly connected with of heat pipe base (604) a plurality of heat pipe (603), heat pipe (603) intussuseption is filled with the coolant liquid, one side fixedly connected with second fin (602) of heat pipe base (604), heat pipe (603) alternate in the space of second fin (602), second electric fan (601) are installed to one side of second fin (602).
3. A frequency converter fault protection device according to claim 1, wherein: the top surface of bottom plate (304) with the bottom surface of roof (302) all fixedly connected with rubber pad (303).
4. A frequency converter fault protection device according to claim 1, wherein: the frequency converter shell (101) is hinged with a flip (110), one side of the flip (110) is fixedly connected with a box body (108), and a plurality of drying agents (109) are placed in the box body (108).
5. A frequency converter fault protection device according to claim 1, wherein: the first through groove (104) is internally sleeved with a rubber ring sleeve (113), and the rubber ring sleeve (113) is fixedly connected with the first through groove (104).
6. A frequency converter fault protection device according to claim 1, wherein: a groove (105) is formed in one side of the bottom of the groove body (103).
7. A frequency converter fault protection device according to claim 1, wherein: the frequency converter is characterized in that the frequency converter body (1) is provided with an operation panel, a closing cover (102) is covered at the operation panel of the frequency converter body (1), and the closing cover (102) is hinged with the frequency converter shell (101).
8. A frequency converter fault protection device according to claim 1, wherein: a sealing ring (203) is arranged in the box body (201), and the sealing ring (203) is sleeved outside the first radiating fin (204).
9. A frequency converter fault protection device according to claim 1, wherein: a water inlet hole (502) is formed in the top end of the water tank (501), and a plug is sleeved in the water inlet hole (502).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311668500.8A CN117374887B (en) | 2023-12-07 | 2023-12-07 | Frequency converter fault protection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311668500.8A CN117374887B (en) | 2023-12-07 | 2023-12-07 | Frequency converter fault protection device |
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| CN117374887B true CN117374887B (en) | 2024-03-12 |
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| CN117794203B (en) * | 2024-02-26 | 2024-05-28 | 山东奥卓电气科技发展有限公司 | Electrical equipment structure of high-voltage frequency converter |
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| CN219124649U (en) * | 2022-11-23 | 2023-06-02 | 陕西榆林能源集团横山煤电有限公司 | Automatic heat abstractor of converter switch board |
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| CN117374887A (en) | 2024-01-09 |
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